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Whales and dolphins at risk as report reveals ecological decline in Gulf of California
- The recent “Assessment of the Ecological Health of the Gulf of California” report shows a decline in several populations of animals throughout the narrow sea flanked by the Mexican mainland and Baja California.
- The report was compiled by the Next Generation Sonoran Desert Researchers (N-Gen) in the U.S. in collaboration with Prescott College’s Kino Bay Center field station in Mexico, and draws on long-term monitoring studies.
- Many of the assessed groups, such as seabirds, whales, giant squid, crabs, starfish and fish, are in decline.
- Basic primary productivity, which nurtures species diversity and abundance in the Gulf of California, remains stable.
‘It has been worth it’: The local women saving Yucatán’s mangroves
- Mangrove forests provide important ecosystem services, from acting as nurseries for fish to buffering coasts from storms.
- Mangroves along the northern coast of the Mexican state of Yucatán have been impacted by deforestation and highway and port development.
- A group of women called Las Chelemeras has for the past 15 years worked to restore the region’s mangrove forests and ecosystem function.
- Their restoration tasks involve opening and maintaining channels so that water can infiltrate and drain with the tides, and planting mangrove tree seedlings.
Mexican government looks to correct Tren Maya environmental damages
- Environment Minister Alicia Bárcena said the government is considering ways to correct some of the damage done by Tren Maya to cenotes and rainforests in the Yucatán peninsula.
- Officials want to remove fencing along the tracks, create new protected areas and ban the construction of additional roads connecting the train with harder-to-reach tourism activities in rainforests.
- At the same time, the government plans to expand the Tren Maya route and build several other trains across the country that could threaten protected areas.
How Mexican fishers are protecting an endemic oyster — and its ecosystem
- In Mexico’s Nayarit marshes on the Pacific Coast, the work of a fishing group called Ostricamichin has enabled the recovery of the Cortez oyster, an endemic and economically important mollusk, along with other marine species.
- The Marismas Nacionales Nayarit National Reserve, where the Cortez oyster is cultivated, accounts for 45% of Mexico’s national fishing production, thanks to floating rafts that help grow the endemic species in its waters.
- However, members of Ostricamichin say their project is threatened by climate change and illegal fishing. But the biggest threat, currently, is a proposed dam project which, they say, would devastate the delicate ecosystem.
Sheinbaum’s energy agenda under fire as Mexican activists slam LNG megaproject
- A controversial project bringing U.S. liquefied natural gas through the Mexican states of Chihuahua and Sonora to the Gulf of California continues to face strong resistance from environmental activists.
- Critics of the Saguaro energy project say the pipeline, associated infrastructure and increased industrialization will harm the biodiversity of the gulf, which hosts 85% of Mexico’s marine mammal species and one-third of the world’s dolphin and whale species.
- Energy analysts say the pipeline will increase Mexico’s dependence on U.S. fossil fuels and further delay energy transition goals, despite President Claudia Sheinbaum’s electoral promises to boost investments in clean energy.
- Environmentalists say they’re worried about the project’s greenhouse gas emissions, with methane being especially problematic due to its high global warming potential.
How communities in sacrifice zones suffer environmental injustices in Mexico, Chile, Nigeria and Indonesia (analysis)
- Sacrifice zones are places where big business and transnational corporations contaminate rivers, air, waters and soil for profit, while the price is paid by local communities suffering degradation of their health and ecologies.
- “To dismantle sacrifice zones, governments and corporations must prioritize people over profit, implement robust environmental safeguards, and respect the rights and autonomy of affected communities,” a new analysis argues, with examples of four places across the world.
- This article is an analysis. The views expressed are those of the author, not necessarily Mongabay.
As Acapulco’s mangroves disappear, Mexico takes strides to protect its coastal forests
- One of Acapulco’s lagoons has experienced the near-complete loss of its mangroves due to urbanization and hurricanes.
- Another Acapulco lagoon has also lost portions of its mangroves, affecting the local fishing industry.
- Overall, the Mexican state of Guerrero has lost more than half of its mangroves since 1979.
- Mexico’s government is working with international organizations, scientists and local communities to restore the country’s lost mangroves.
Innovators battling wildfires with AI, drones & fungi get $50k grants to scale up
To address the devastating effects of wildfires in Western North America, the nonprofit Conservation X Labs (CXL) and its partners have awarded $50,000 each to 12 shortlisted teams seeking to scale up novel technologies and processes to lower wildlife risk and increase ecosystem and community resilience. CXL announced the 12 finalists of its first Fire […]
Study finds signs of tuna abundance outside marine protected areas
- Experts debate the degree to which marine protected areas (MPAs) that are closed to industrial fishing boost fish population abundance or fishing success outside their borders.
- A recent study indicates that large-scale no-fishing MPAs do provide “spillover” benefits: It showed purse seiner vessels caught more tuna per unit of fishing effort in the 100 nautical miles (185 kilometers) surrounding large MPAs than they would have if the MPAs did not exist.
- Such findings could strengthen the case for establishing large MPAs, which could be on the table once international agreements, including the High Seas Treaty, are rolled out in coming years.
- Some fisheries scientists argue that MPAs are not a good method of fisheries management; one critiqued the recent study.
Baja California tourism poses mounting challenges for conservation, critics say
- Baja California Sur attracts more foreign tourism investment than any other state in Mexico, but the rapid development also poses threats to protected areas, marine habitats and the traditional customs of small communities.
- Numerous hotel projects underway this year could level sand dunes and encroach on protected areas, overwhelming many environmental activists who aren’t sure how to combat the rapid development.
- Some critics question the eco-tourism model that has been applied to coastal fishing villages, many of which regret trading in their customs for tourist businesses.
16 new-to-science grasshopper species found in US, Mexico deserts
What’s new: A recent study has identified 16 new-to-science species of grasshoppers living in the deserts of the U.S. and Mexico. One of the grasshoppers was named after the Mexican painter Frida Kahlo, while others reference actors from shows like Star Trek. What the study says: The grasshopper genus Agroecotettix, known to live in very […]
‘Silent killing machines’: How water canals threaten wildlife across the globe
- Water canals worldwide are causing widespread wildlife drownings, with significant losses recorded in Argentina, Mexico, Spain, Portugal and the U.S., particularly impacting threatened species.
- Scientists emphasize the lack of awareness and research on this issue, warning that canals act as “wildlife traps,” exacerbating biodiversity loss and habitat fragmentation.
- Proposed solutions include covering canals, installing escape ramps, redesigning structures, and implementing country-specific mitigation strategies to balance irrigation needs with wildlife conservation.
108 federal protected areas in Mexico remain without actual management plans
- A Mongabay analysis has found that almost half of Mexico’s 232 federally protected areas — 108 of them — do not have management plans.
- Among those without plans are protected areas that were decreed more than 50 years ago even though, by law, the environmental ministry has one year to publish plans after a decree is issued.
- Some National Commission of Natural Protected Areas (CONANP) officials and researchers told Mongabay the backlog is due to funding issues, unrealistic timelines and a fault in the country’s application of international conservation policy.
- Without protected area management plans, park managers, conservationists and communities have no clear roadmap to guide them, and areas can remain vulnerable to threats and overexploitation.
Conservation groups look for new strategies, tech to halt vaquita decline
- Experts believe fewer than 10 vaquita, the world’s smallest porpoise, survive in Mexico’s Gulf of California, also known as the Sea of Cortez, the only place the species lives.
- Illegal fishing has decimated their population, forcing environmental groups to come up with innovative conservation solutions.
- Vaquitas get caught in illegal gillnets that fishermen use to target totoaba, a fish whose swim bladder can go for tens of thousands of dollars per kilo on the international black market.
- Some environmental groups have focused on patrolling vaquita habitats with ships, sonar, radar and drones, while others maintain that dismantling the organized crime groups behind the totoaba trade is a better use of resources.
After LA, fire crisis reaches Latin America — from Mexico to Argentina
- As the effects of climate change become increasingly evident, Latin American countries are facing complex circumstances when it comes to defending themselves against forest fires — and urban fires.
- In Argentinian Patagonia, fires have destroyed more than 10,100 hectares (24,958 acres) of native forests, including areas of Nahuel Huapi National Park. There are also active fires in Chile that have killed three firefighters.
- Mongabay Latam talked to specialists in order to understand what is happening in some of the territories that have been hit hardest by the fires.
- Experts agree that it is urgent for Latin American governments, which often have limited capacity, to double down on their prevention efforts and allocate sufficient resources to fire management strategies, taking timely action against forest fires.
Oaxaca Indigenous leader’s killing leaves land defenders’ safety in doubt
- Arnoldo Nicolás Romero, a commissioner in Oaxaca’s San Juan Guichicovi municipality, was found shot dead on Jan. 21, hidden behind bushes in a private ranch not far from his community.
- Since the country began to develop the Interoceanic Corridor of the Isthmus of Tehuantepec, a large railroad project that runs across several Indigenous territories, including Romero’s, communities have reported dispossession, increased criminalization and violence.
- After Romero’s death, the Union of Indigenous Communities of the Northern Zone of the Isthmus (UCIZONI) released a statement that condemned his killing and demanded that authorities “promptly” initiate an investigation into his death.
- No arrests have been made or suspects identified.
Expected ban on Mexican GM corn fetches praise — and worry over imports
- A constitutional ban on transgenic corn production in Mexico is expected to be approved this month and has been lauded by the government as a measure to protect the country’s native corn varieties.
- In recent years, Mexico issued controversial presidential decrees to ban human consumption of transgenic corn and its use in dough and tortillas, claiming genetically modified varieties have adverse health impacts.
- Mexico is the largest importer of U.S. transgenic corn, and in December, an independent USMCA panel ruled the claims that consumption causes negative health impacts weren’t scientifically supported.
- Mexico’s large-scale import of U.S. genetically modified corn is considered by local experts to be a risk to small and Indigenous farmers, as they say it exposes native species of the crop to potential cross-pollination with transgenic seeds.
Mexican fishers relocate in wake of sea level rise, raising job concerns
- In the southern Mexican state of Tabasco, most residents of the El Bosque community have been relocated after their homes were destroyed by coastal erosion.
- Community members have expressed concern about job security, as the new site is 12 kilometers (7.4 miles) away from the sea and residents cannot as easily fish, which they depend on for their livelihoods.
- While planned relocation has emerged as a critical strategy to protect those impacted by climate change, reports have shown relocation does not always reduce socioeconomic pressures.
- Although fishers from El Bosque are concerned about the impact of the relocation on their livelihoods, some see it as an opportunity for younger generations to seek alternative livelihoods and better opportunities.
Court decision to stop Tren Maya comes too late for ecosystems, critics say
- A court halted the construction of lines 5 and 7 of the Tren Maya project in southern Mexico. But the construction has already finished, drawing criticism from activists who say the court took too long to evaluate environmental risks.
- The nearly $30 billion Tren Maya is divided into seven lines traversing 1,554 kilometers (966 miles) of the Yucatán peninsula, connecting Cancún and Tulum, and Escárcega and Chetumal.
- The court said developers need to comply with numerous environmental conditions to ensure the protection of rainforests and cave ecosystems currently under threat from train construction.
Mexico misses one-year deadline to submit new protected areas’ management plans
- Exactly one year ago, Mexico announced 20 new protected areas covering roughly 2.3 million hectares (5.7 million acres) across the country.
- According to Mexican law, the environment ministry has one year to publish a protected area’s management plan after a decree is issued, but Mongabay found that none of the 20 protected areas have management plans yet.
- Scientists, conservationists and communities have been pushing for these plans to be published, concerned that the absence of a roadmap means these areas are still vulnerable to threats and overexploitation.
- Some National Commission of Natural Protected Areas (CONANP) officials and researchers told Mongabay the delay was due to a change in Mexico’s leadership, funding concerns, a historic backlog and other issues.
Birdwatchers rally behind endemic hummingbird, spurring conservation movement in Mexico
- In Veracruz, the charismatic Mexican sheartail, one of the 58 hummingbird species in the country, is threatened by habitat loss due to deforestation for agriculture and urbanization.
- Chavarillo, an important spot for migratory birds, located in central Veracruz, has leveraged income gained from birdwatching to create a natural reserve for the Mexican sheartail.
- One local in Chavarillo donated land to establish the Doricha Natural Reserve, which provides the sheartail with much needed habitat and helps promote biodiversity conservation more widely.
- Birdwatchers, local landowners and conservationists have come together here to protect a habitat and ecosystem important for many endemic species.
Satellite ‘backpacks’ help keep track of parrot migration in Mexico
- Scientists and conservationists have deployed lightweight satellite backpacks, containing transmitters, to study and understand the migration patterns of thick-billed parrots.
- Teams from San Diego Zoo Wildlife Alliance in the U.S. and conservation NGO Organización Vida Silvestre in Mexico have gathered more than 70,000 data points over four years.
- The data helped them identify corridors that are critical for the birds’ movements; they also served to justify the designation of protected areas that are important for the birds.
- Thick-billed parrots, known for their raucous calls, are an endangered species endemic to Mexico; illegal logging in recent years has led to the degradation of their habitats.
1 in 4 freshwater species worldwide at risk of extinction: Study
The most extensive global assessment of freshwater animals to date has revealed that a quarter of all freshwater animal species on the IUCN Red List are threatened with extinction. The largest number of these threatened species are found in East Africa’s Lake Victoria, South America’s Lake Titicaca, Sri Lanka’s Wet Zone, and India’s Western Ghats […]
After trial and error, Mexican fishers find key to reforesting a mangrove haven
- David Borbón and his community are working to restore mangroves in a fishing village within Mexico’s El Vizcaíno Biosphere Reserve, one of the country’s largest protected areas.
- The mangroves act as a natural barrier, protecting the coastal community and ecosystems from hurricanes and other severe weather.
- Borbón, who wasn’t formally educated in any science, conducted a series of experiments to find the best method to reforest the area’s declining mangrove forests and settled on a direct sowing technique that replicates natural patterns.
- With the support of his family and community, he has now planted more than 1.8 million mangroves and largely facilitate the recovery of the mangrove ecosystem.
Teamwork makes the dream work for orcas hunting world’s biggest shark
Orcas, or killer whales, are the apex predator in the ocean when they work together. A new study documents how a pod of orcas is able to hunt and kill the largest fish in the world, the whale shark (Rhincodon typus), which can be twice the size of an individual orca (Orcinus orca), though the […]
Nations should redirect 1% of military spending towards reforestation, Mexico proposes
- Mexico President Claudia Sheinbaum proposed to the world’s biggest economies to allocate 1% of their annual military spending, a total of about $24 billion, to support massive reforestation around the world.
- If carried out successfully, the effort could reforest an area equivalent to the surface of Guatemala, Belize and El Salvador combined.
- The President’s proposal comes at the same time as in Mexico the congress plans to cut funding for conservation in other government agencies.
Bobcats are back, and they’re helping protect people from zoonotic disease
- In the last 125 years, bobcats have recovered significantly from extremely low numbers, with several million individuals found throughout North America today.
- Living at the interface of urban and rural environments, bobcats face many human-caused dangers, including loss of habitat to roam, automobiles, and rodent poisons.
- Bobcats help reduce the spread of diseases from animals to humans partly because they and other large mammals are poor disease vectors. Bobcats also prey on the small rodents that easily transmit pathogens.
- It’s legal to hunt bobcats in most of the United States. California, which has for five years closed the bobcat season, may reinstate hunting in 2025. Some researchers suggest that regulators should more carefully consider the role thriving wildcat populations play in protecting human communities from zoonotic diseases before expanding hunting.
A deadly fly is spreading through Central America. Experts blame illegal cattle ranching
- An outbreak of screwworm — a fly that infects the open wounds of warm-blooded animals — is the direct result of cattle smuggling through protected areas across Central America, conservation groups said.
- The fly appeared in Panama last year and quickly traveled north to Guatemala. Now, officials are concerned it will spread uncontrollably into Mexico and the US.
- Eradicating the fly could cost millions of dollars and prove disastrous for agribusiness and countries that rely on beef exports.
- Conservation groups are arguing for border shutdowns and increased regulation of the cattle industry, especially around protected areas where smuggling routes have cleared forests.
Court throws out permits for controversial Baja California hotel project
- The Tres Santos hotel project in Baja California Sur will have to conduct new environmental impact studies in order to obtain permits that it failed to comply with when breaking ground nearly a decade ago.
- Over the last decade, residents said the environmental impact became worse than what had originally been described to them. Some wetlands were filled in and rivers and streams were being diverted.
- Earlier this year, a court found that the original environmental impact study didn’t justify the development that was carried out. It should have been rejected and done again before construction even started.
At Mexico’s school for jaguars, big cats learn skills to return to the wild
- In Oaxaca, southern Mexico, a multidisciplinary team is launching a program to return rescued wildcats to their natural habitat.
- The program is run by the foundation Jaguares en la Selva (Jaguars in the Wild) at the Yaguar Xoo sanctuary, where two wildlife enclosures have been designed for jaguars and pumas to learn to hunt and survive on their own.
- In 2021, the program successfully released two jaguars and is currently working to reintroduce two more jaguars and three pumas back into their natural habitats.
Despite court ruling, Yaqui water rights abuses ignored
- For decades, the Yaqui peoples in the northwestern Mexican state of Sonora have been fighting to defend their rights to the Yaqui River, which is sacred to the Indigenous tribe and has been drained of all its water in their territory after decades of overexploitation, unequal water distribution and droughts.
- In 2010, the government approved the construction of an aqueduct, known as the Independencia Aqueduct, to supply water to several cities in the state, which was later found to be a violation of the tribe’s rights.
- Despite a favorable court ruling, which found that the Mexican government did not consult the Yaqui tribe before the aqueduct’s approval, it did not suspend its construction, which was inaugurated in 2012, despite evidence that it would cause irreparable damage to the community.
In Mexico, Totonac spiritual guides work with scientists to revive ecosystems
- Abuelos de Tajín, spiritual guides from Totonac communities in Mexico, say people are losing their traditional beliefs and ancestral knowledge as their connection with a fast-degrading environment rupture.
- Totonac spirituality is strongly connected to the surrounding ecosystem: Losing biodiversity can precipitate the decline of traditional beliefs, and this loss of traditional spirituality further ruptures values and duties to protect the ecosystem.
- To assess and tackle the state of biodiversity loss and contamination in their environment, the spiritual guides are working with researchers from the National Autonomous University of Mexico City. Preliminary results show the deforestation rate increased by 44.4% from 1986 to 2023 in one region.
- Spiritual guides are trying to restore and “renovate” their rituals, spirituality and community identity as a way to strengthen their connection to their environment, conserve it and live abundant lives.
‘Mermaids’ dive to study and protect Mexican fishing grounds
- For more than 20 years, a fishing cooperative in the community of Isla Natividad, in Baja California Sur, Mexico, has been working to adapt and to be more resilient to climate-change impacts like tropical storms, marine heat waves, hypoxia and loss of kelp forests; these latter shelter species that help feed the community but have experienced mass mortality, such as the abalone.
- The community has invested in diversifying their economic activities and have established volunteer-run marine reserves. Their aim is to help affected fish stocks recover.
- A group of citizen scientist divers known as the Sirenas de Natividad was founded in 2019; this all-women team is made up of five homemakers, all wives and daughters of fishers, who are monitoring fishery resources and the volunteer-run marine reserves.
Celestún refuge fights illegal fishing & helps revive species in Mexico’s Yucatán
- In 2019, the Celestún fishing community in Yucatán, Mexico, established a 324-square-kilometer (125-square-mile) Fishing Refuge Zone (FRZ), the largest in the Gulf of Mexico.
- The area was created in response to the overfishing of sea cucumbers, a species that had been in rapid decline, which caused social strife in the community.
- Local fishers have been trained to monitor the refuge to help the species recover and protect other species of commercial interest, like octopus and lobster. The participation of women has been an important part of the process, as they help lead community monitoring efforts.
In Mexico, scientists race to save Marietas Islands’ corals from ocean warming
- Temperatures in the Pacific Ocean broke records in 2023 as climate change and El Niño destroyed a large part of Mexico’s Islas Marietas National Park.
- Only a fifth of the coral coverage registered in 1995 still survives, experts say.
- But scientists working on the islands have discovered individual corals that can resist higher temperatures, creating hope that the corals can recover.
Mexico loses phosphate mining lawsuit in controversial arbitration process
- Odyssey Marine Exploration, a deep-sea mining company based in Florida, sued Mexico after rejecting environmental permits for a phosphate mining project off the coast of the state of Baja California Sur.
- The company brought Mexico to arbitration through an obscure legal process known as an investor-state dispute settlement, which allows foreign companies to directly sue countries they’ve invested in.
- Investor-state dispute settlements have been criticized for their lack of transparency and public participation, offering few guaranteed rights to affected communities.
Lack of research as contaminated Yaqui River poses health risks
- Amid a water crisis, Yaqui communities in the northwestern Mexican state of Sonora lack safe drinking water due to contamination by arsenic, salinity and heavy metals as unveiled by several studies over the years.
- The water crisis, driven by decades of overexploitation, unequal water distribution and drought, intensifies contamination, particularly affecting coastal areas with saltwater intrusion and surpassing safe limits in certain regions.
- Members of the Yaqui tribe blame mining operations and agribusiness for the contamination, but there are few studies to confirm their source.
- They argue contamination has led to diabetes and health complications among community members, as well as cultural impacts.
A Mexican marine park shelters giant manta rays: Interview with Madalena Pereira Cabral
- For more than four years, marine biologist Madalena Pereira Cabral has been dedicated to investigating and understanding the movements of giant manta rays (Mobula birostris) in Revillagigedo National Park in the Mexican Pacific.
- Using satellite tags, the expert aims to describe these animals’ routes through the ocean and the reasons behind the fact that almost all the individual manta rays she has been studying end up leaving the marine protected area. Leaving this area exposes them to fishing pressure, which puts them at risk.
- One of the scientist’s most important findings is that giant manta rays’ movements and the groups they form are influenced by the El Niño phenomenon. This information is crucial for the conservation of this little-understood species.
Record drought in Yucatán prompts revival of ancient Maya rain ceremony
- Maya farmers in Yucatán, Mexico, have rekindled a pre-Hispanic ceremony that calls for rain from the god Cháak as the state suffers its worst drought in 50 years.
- The extended dry season has prevented local farmers from generating sufficient harvests to provide enough food to sustain Indigenous people from remote regions.
- In early May, the Yucatán Peninsula experienced a record high temperature of 43.7°C (110.7°F) after an already year-long drought.
- Pollution from industrial pig farms and monocrop plantations is contaminating groundwater systems and cenotes, considered sacred by the Maya and relied upon to supply farms in rural communities.
In Mexico, avocado suppliers continue sourcing from illegally deforested land
- Suppliers Calavo Growers, Fresh Del Monte Produce, Mission Produce and West Pak Avocado purchased avocados from land where forests have been cleared illegally, according to a recent investigation.
- Climate Rights International and Mexican NGO Guardián Forestal looked at Mexican avocado shipping records from 2023 and the first trimester of 2024, finding 60 instances of companies buying avocados from deforested land.
- The states of Michoacán and Jalisco produced over 2 million avocados last year, making it one of the area’s top industries. But residents there complain of water shortages and other environmental impacts.
Mexican fishing industry rep killed after denouncing illegal fishing
- Minerva Pérez Castro, the Baja California representative for the Mexican fishing industry’s main trade group, was killed in July after speaking out against the presence of organized crime in the fishing industry.
- Sophisticated organized crime groups have long participated in illegal fishing in northern Mexico, one of the most important producing areas for the country’s prominent fishing industry.
- The residences of several suspects have been searched, according to the Attorney General of the State of Baja California.
In Sonora, communities fight mining to defend their water
- Since June 2, protesters have blocked mining company Grupo México from extracting water in the Sonoran town of Bacoachi, in northwest Mexico.
- Locals say the company has overexploited water resources during a regional drought, putting their livelihoods and public health at risk.
- The company owns the rights to more than half of the watershed’s total volume, according to a government analysis published in 2023.
- The ongoing protest comes as local advocacy groups are preparing to mark the 10th anniversary of an infamous waste spill from the same mine in August 2014.
Conservationists look for new ways to fight oil pipelines in southern Mexico
- Pipelines currently under construction in southern Mexico have become controversial because of threats of chemical spills, their contribution to climate change and the alleged lack of consultation with local communities.
- The projects include the Southeast Gateway Gas pipeline and Tuxpan-Tula pipeline, both constructed by the Federal Electricity Commission and the Canadian company TC Energy.
- A 2018 injunction against the Southeast Gateway Gas Pipeline was struck down after a court ruled the project was a matter of national security. Now, local communities and conservation groups are working to develop alliances with international groups to come up with a different legal strategy.
A Guatemalan reserve turns from civil war refuge to deforestation hotspot
- Illegal deforestation in Guatemala’s Sierra del Lacandón National Park is accelerating, driven by cattle ranching and drug-trafficking activities.
- The park is a critical biological corridor, home to numerous threatened species, and connects protected areas in Guatemala and Mexico.
- Indigenous communities, many of which settled in the area during the civil war, are now involved in deforestation activities under pressure from powerful political and economic figures, threatening the region’s ecological integrity.
After 2-year wait, Sonoran wilderness protection law gets closer to reality
- In June 2022, the northwest Mexican state of Sonora’s Congress unanimously voted to create the country’s first easement system to protect privately owned wilderness spaces from development.
- For more than two years, the law was not published in the state’s legal register, so it never came into effect. In that time, at least two private conservation areas with the highest existing level of protection have been threatened by development.
- The law was finally published earlier this month, possibly with up to another year before the government publishes guidelines and the first easement is declared. At least two reserves plan to apply, and advocates hope their example will encourage other Mexican states to legislate easement designations.
Loss of water means loss of culture for Mexico’s Indigenous Yaqui
- The sacred waters of the Yaqui tribe in the northwestern Mexican state of Sonora have dried up after decades of overexploitation, unequal water distribution and drought.
- This poses serious threats to Yaqui culture, which previously used certain sections of the Yaqui River for traditional ceremonies.
- It has also led to the decline of plant and tree species, such as the alamo (Ficus cotinifolia) and the giant reed (Arundo donax), which are used to build traditional structures in Yaqui villages.
- Important features of the Yaqui ritual dance, known as the pascola and deer, rely on the cocoons of the four-mirror butterfly, an endemic species that depends on the Yaqui River for its survival and is in decline.
In Mexico City’s precolonial canals, scientists aim to save ancient salamanders
- The chinampas of Mexico’s Xochimilco neighborhood host the endemic axolotl, an endangered freshwater salamander. In recent decades, its population and habitat have decreased dramatically as a result of urbanization, poor water quality and new predator fish species being introduced in the canals.
- Scientists are working with local farmers to preserve and study the axolotl population for its potential contribution to medical research.
- Experts worry about dwindling state funding for research, which has dropped by 30% during the presidency of Andrés Manuel López Obrador and likely will not pick up as President-elect Claudia Sheinbaum takes office.
Shrimp farms threaten Mexico’s mangroves and the jaguars that inhabit them
- Western Mexico’s rapidly expanding shrimp farms, many of which are illegal, are contributing to the deforestation of the Pacific coast’s mangroves, an important habitat for jaguars.
- Satellite images show the total surface area of shrimp ponds along Mexico’s Gulf of California increased by more than 1,100% between 1993 and 2021, to more than 114,000 hectares (282,000 acres).
- Researchers emphasize the importance of small private reserves, like La Papalota in the state of Nayarit, for jaguar conservation: These areas serve as critical sanctuaries and corridors between larger conservation sites, such as Marismas Nacionales Biosphere Reserve, home to a fifth of Mexico’s mangroves.
- Conservationists say urgent action is required to safeguard the remaining mangroves and jaguars, yet efforts continue to be hindered by inadequate enforcement of protection laws and the alleged involvement of cartels reportedly using shrimp farms for money laundering.
As drought parches Mexico, a Yaqui water defender fights for a sacred river
- In the northwestern Mexican state of Sonora, Mario Luna Romero faces constant threats to his life for fighting to protect his community’s rights to its water in the region.
- Within the Yaqui Territory are the remnants of the Yaqui River, which is sacred to the Indigenous tribe and has been drained of all its water after decades of overexploitation, unequal water distribution and droughts.
- Luna was arrested in 2014 and spent a year and 11 days in a maximum-security prison; meanwhile, other colleagues have been harassed by government officials or killed by criminals.
- Mexico, including the Yaqui Valley, is experiencing a deadly heat wave, drought and water shortages.
Across Mexico, World Cup infrastructure threatens biodiversity and communities
- With Mexico co-hosting the FIFA World Cup in 2026, major infrastructure works in the country’s three host cities could have negative impacts on local biodiversity, activists say.
- In Guadalajara, conservationists express concern that new developments might undermine the local puma population, which has seen a comeback in the last seven years.
- In Mexico City, locals say they haven’t been consulted about new roads and building projects that could threaten their water resources as well as tree cover.
- In Monterrey, works planned near a protected area threatens fauna and flora conservation, experts say.
The Wixárika community’s thirteen-year legal battle to stop mining in their sacred territory
- Wirikuta is the most important sacred place for the Indigenous Wixárika people in the state of San Luis Potosí, Mexico.
- In 2010, the communities discovered that mining companies were threatening this place, which is of great importance for biodiversity and culture.
- Since then, they have been fighting a legal battle to expel the 78 contracts threatening the site’s existence.
- Although mining activity is currently suspended thanks to a protection order obtained by the Indigenous community, there is still no definitive resolution. In 2024, they hope this will finally change, and the Mexican judicial system will rule in their favor.
Studying snakes without rattling them? There’s now tech for that
- Scientists have used tiny, noninvasive radio transmitters and accelerometers to study the habitats and behaviors of red diamond rattlesnakes.
- While the radio transmitters help researchers keep track of the snakes, the accelerometers give them an in-depth understanding of the snakes’ physical movements as they hunt, eat and even mate.
- Historically, tracking snakes has involved surgically implanting telemetry radios into them, but this process is time-consuming and also risks infecting the animals.
- Red diamond rattlesnakes, native to southwest California in the U.S. and Baja California in Mexico, face increasing threats from habitat loss and vehicle strikes.
French court greenlights lawsuit against EDF over wind farm in Mexico
- After more than three years of legal wrangling, a court in Paris has ruled that a civil case brought by Indigenous communities in Mexico against French energy giant EDF can go ahead.
- The case was filed by Zapotec communities in Oaxaca state, who complain that EDF’s Gunaa Sicarú wind farm project violates their land rights and lacks reasonable consultation with communities.
- The case against EDF was filed under the recently approved French Corporate Duty of Vigilance Law, designed to hold French companies accountable for abuses overseas.
- Projects that support the energy transition and climate change mitigation can stir local conflicts similar to those associated with fossil fuels if community rights are not properly considered, experts warn.
Photos: Exploring Mexico City’s Aztec-era farms, the chinampas
- Chinampas are part of an agricultural system developed during the Aztec Empire in shallow lakes or marshes in the southern valley of what is today Mexico City.
- The system consists of elevated, narrow platforms used as fields that are surrounded by water canals, and is considered one of the most intensive and productive farming systems ever developed.
- However, for decades, chinampas have faced increasing threats due to urbanization, the overexploitation of water resources, water contamination and unregulated tourism, as well as the growing rejection of chinampa culture by traditional farmers and the loss of ancestral knowledge.
Ancient farming system and campesino livelihoods at risk in Mexico City
- In the south of Mexico City lies a complex lake and canal system dotted with raised agricultural fields known as chinampas, which have been cultivated by campesino farmers ever since the Aztec Empire.
- Chinampa culture is under threat in part due to environmental problems caused by urbanization, the overexploitation of water resources, irregular settlements and unregulated tourism.
- Over the years, greater numbers of the chinampas’ farmers, known as chinamperos, have left the fields to work in the city, an issue that has led to the abandonment of 16,000 chinampas, according to researchers.
- Those who remain face several challenges, such as water contamination and drought, with little government support.
Riding the Tren Maya: A journey on Mexico’s controversial new railway line
- Reporter Maxwell Radwin and videographer Caitlin Cooper set out to ride the Tren Maya from Cancún toward Palenque and back.
- On their journey, they looked for evidence of deforestation, the relocation of local and Indigenous communities, and the pollution of water bodies — all part of multiple injunctions filed by communities and activist groups.
- Conversations with passengers and locals revealed that much of the country is conflicted about the train, which might attract tourism despite the ecological damage.
Is the Maya Train worth all its environmental damage?
CANCÚN, Mexico — Mongabay reporter Maxwell Radwin and videographer Caitlin Cooper embark on a journey aboard the Tren Maya, traveling from Cancún to Palenque and back. Their mission is to uncover critical issues associated with this ambitious rail project. They investigate allegations of deforestation, the displacement of local and Indigenous communities, and the pollution of […]
Scientists and farmers restore Aztec-era floating farms that house axolotls
- In 1987, UNESCO declared the Xochimilco wetland area in southern Mexico City a World Heritage Site, recognizing in particular its chinampas, an ancient agricultural system in use since the time of the Aztecs.
- In the past few decades, Xochimilco’s levels of production and of biodiversity have shifted: people have changed the purpose of many chinampas, and the population of axolotl salamanders, an iconic species endemic to the area, has decreased drastically.
- Scientists from the Ecological Restoration Laboratory at the National Autonomous University of Mexico and farmers from the area are promoting a comprehensive restoration program to conserve this group of chinampas and all the living things that depend on it.
Elusive jaguarundi inspires biologists to share data across Latin America
- The jaguarundi (Herpailurus yagouaroundi) is a little-known small felid with a range extending from northern Argentina to Mexico. The last confirmed sighting in the United States was in 1986.
- H. yagouaroundi is found in a variety of habitats, but is thought to occupy mostly rugged areas with good shrub cover, including near agricultural lands. Unlike most other felids, the jaguarundi is active during the day, which can easily bring it into conflict with farmers who don’t appreciate its habit of raiding chicken coops.
- Like most small, noncharismatic cat species, there’s little funding to learn more about the jaguarundi. But researchers are developing new tools, for example pooling sparse “bycatch” data gathered by many biologists from camera traps in widely scattered places and modeling it to predict habitat use and population size.
- An ongoing IUCN jaguarundi assessment is using a Google Forms questionnaire to reach out widely to researchers, governments and NGOs, while also using easily shared social media tools. A detailed understanding of jaguarundi behavior is needed to assure it is conserved both inside and outside protected areas.
Yucatán Peninsula’s hidden underground life tracks changes at the surface
- Scientists from Northwestern University in the U.S. led a series of underwater expeditions collecting water samples from the deep web of caves and sinkholes in the Yucatán Peninsula.
- The southeastern region of Mexico is crisscrossed by numerous flooded and interconnected tunnels, functioning as subterranean rivers — crucial arteries that maintain ecosystems and support millions of people, and connecting directly to the sea.
- Any disruptions to the microbial communities in these waters could have significant consequences for both humans and marine ecosystems.
- This research is crucial for assessing the potential environmental impacts of large-scale agriculture or major projects like the building of the Tren Maya railway line.
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