Results 51 to 60 of about 11,319 (187)

Geographic risks to functional groups of mammals and birds from habitat loss in Mexico

open access: yesConservation Biology, EarlyView.
Abstract There is a need to quantify the impact of habitat loss due to anthropogenic factors on different aspects of biodiversity, such as functional trait diversity represented by functional groups (FGs). We developed a metric to assess the weighted risk of loss of habitat for 33 FGs of mammals and 36 FGs of birds in Mexico based on potential ...
Fernando Mayani‐Parás   +4 more
wiley   +1 more source

Methane fluxes from tropical coastal lagoons surrounded by mangroves, Yucatán, Mexico [PDF]

open access: yes, 2017
Methane concentrations in the water column and emissions to the atmosphere were determined for three tropical coastal lagoons surrounded by mangrove forests on the Yucatán Peninsula, Mexico.
Alongi D. M.   +11 more
core   +1 more source

Imaging Point Source Groundwater Discharges in a Confined Coastal Aquifer Using Electrical Resistivity

open access: yesGroundwater, EarlyView.
Marine electrical resistivity tomography (ERT) is applied to characterize point‐source submarine groundwater discharge (PSGD) along NW Yucatán. ERT observations and forward modeling constrain conduit detectability under varying hydrogeological conditions.
Mariana Gómez‐Nicolás   +6 more
wiley   +1 more source

Diffusion Of Indigo Molecules Inside The Palygorskite Clay Channels [PDF]

open access: yes, 2011
The search for durable dyes led several past civilizations to develop artificial pigments. Maya Blue (MB), manufactured in pre-Columbian Mesoamerica, is one of the best known examples of an organic-inorganic hybrid material.
Anne, Michel   +8 more
core   +4 more sources

Diphysa yucatanensis (Papilionoideae: Leguminosae), una especie nueva de la península de Yucatán Diphysa yucatanensis (Papilionoideae: Leguminosae), a new species from Peninsula of Yucatán

open access: yesRevista Mexicana de Biodiversidad, 2009
Se describe e ilustra Diphysa yucatanensis como una especie nueva. Se distribuye en la península de Yucatán (Campeche, Quintana Roo, Yucatán, Belice y El Petén [Guatemala]) y zonas aledañas en Chiapas y Tabasco, México. Históricamente se le ha confundido
Ana Hanan A., Mario Sousa S.
doaj  

Rapid evolution of chemosensory receptor genes in a pair of sibling species of orchid bees (Apidae: Euglossini). [PDF]

open access: yes, 2015
BackgroundInsects rely more on chemical signals (semiochemicals) than on any other sensory modality to find, identify, and choose mates. In most insects, pheromone production is typically regulated through biosynthetic pathways, whereas pheromone sensory
Brand, Philipp   +5 more
core   +3 more sources

Archives of impact: The politics of craters on Earth

open access: yesGeographical Research, Volume 64, Issue 2, May 2026.
This paper examines Earth’s 195 confirmed impact craters as archives, exploring their cataloguing and presentation as heritage sites. It argues Western scientific framings using military language and emphasising catastrophe overlook settler colonialism’s violent histories and marginalise indigenous earth‐sky cosmologies.
Gareth Hoskins
wiley   +1 more source

Ampliación de la distribución geográfica de Lampronycteris brachyotis en la península de Yucatán

open access: yesRevista Mexicana de Biodiversidad, 2013
Se registró una hembra juvenil de Lampronycteris brachyotis en una selva mediana subcaducifolia del municipio de Espita, Yucatán. Este es el primer registro de la especie en el estado de Yucatán, lo cual amplía su área de distribución conocida en la ...
Beatriz Bolívar-Cimé   +3 more
doaj   +1 more source

U.S. River Discharge for 2008 in State of the Climate in 2008 [PDF]

open access: yes, 2009
The global mean temperature in 2008 was slightly cooler than that in 2007; however, it still ranks within the 10 warmest years on record. Annual mean temperatures were generally well above average in South America, northern and southern Africa, Iceland ...
Bowling, L. C.   +4 more
core   +1 more source

Clumped Isotope Temperature Reconstruction Using Stalagmite Drip Cups

open access: yesRapid Communications in Mass Spectrometry, Volume 40, Issue 8, 30 April 2026.
ABSTRACT Rationale Application of clumped isotope palaeothermometry to speleothems (carbonate cave deposits, e.g., stalagmites and flowstones) has been restricted largely to subaqueous samples because of kinetic fractionation processes that occur during subaerial speleothem formation, which lead to erroneously high inferred temperatures.
Stuart Umbo   +11 more
wiley   +1 more source

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