Results 91 to 100 of about 54,389 (266)

Relationship between spatial and social phenotypes in an avian scavenger

open access: yesJournal of Animal Ecology, EarlyView.
A method is applied to distinguish interaction rates that would be expected given animals' movements from those that exceed expected values due to incidental contact. The relationship between space use and both observed and non‐incidental social network position varies between social situations.
Kaija Gahm   +5 more
wiley   +1 more source

Pagamentos por serviços ambientais na Mata Atlântica: lições aprendidas e desafios [PDF]

open access: yes, 2011
280 p. : il. ; 2.ed.Publicação se propõe a preencher parte desta lacuna ao apresentar uma sistematização e análise de projetos de pagamentos por serviços ambientais na Mata Atlântica, com foco naqueles de armazenamento ou sequestro de carbono, de ...
Brasil. Ministério do Meio Ambiente. Secretaria de Biodiversidade e Florestas. Departamento de Conservação da Biodiversidade
core  

Biodiversidad y Cambio Climático

open access: yesApuntes de Ciencia & Sociedad, 2015
La rica variedad de vida en la Tierra estuvo siempre expuesta a un clima cambiante. La necesidad de adaptarse a los nuevos patrones de temperatura y de precipitaciones tiene una influencia importante en los cambios evolutivos de las especies de plantas y animales.El cambio climatico plantea ahora una de las amenazas principales para la diversidad ...
openaire   +4 more sources

Bat community assembly in the ecotone of two neotropical biodiversity hotspots is determined by environmental filtering rather than historical factors

open access: yesJournal of Animal Ecology, EarlyView.
We demonstrate that environmental filtering is the primary mechanism shaping bat communities across the Cerrado–Atlantic Forest ecotone. By integrating phylogenetic diversity, environmental gradients, and coevolutionary assembly models, our study provides new insights into the processes maintaining biodiversity in a globally important transition zone ...
Daiana Cardoso Silva   +2 more
wiley   +1 more source

Geographic Patterns of Head Morphology in Syngnathus typhle Across Marine Regions

open access: yesIntegrative Zoology, EarlyView.
Morphometric analysis of Syngnathus typhle head shape shows distinct geographic patterns across Baltic, North, Atlantic, and Mediterranean marine regions, driven by variation in snout length, head depth, and eye position. Findings provide a non‐invasive baseline for conservation monitoring.
Miriam Ravisato   +16 more
wiley   +1 more source

Size, Spines, and Nests: What Drives Variation in Death‐Feigning Behavior in Fungus‐Farming Ants?

open access: yesIntegrative Zoology, EarlyView.
We investigated death‐feigning (DF; thanatosis) in fungus‐farming ants, testing how stimulus intensity, morphology, and nest traits shape its occurrence and duration using generalized linear mixed models. Stronger stimuli increased both likelihood and duration, but most variation was structured across species, colonies, and individuals.
Danon Clemes Cardoso   +2 more
wiley   +1 more source

Parasites at the Summit: Unexpected Geographic Distribution of the Blood Parasite Lineage Found in the Endangered Giant Lizard of Tenerife

open access: yesIntegrative Zoology, EarlyView.
We combined microscopic screening and molecular phylogenetic analyses to characterize blood parasites infecting Gallotia intermedia from the coastal cliffs of Montaña de Guaza and to place these infections in a broader biogeographic context. We detected apicomplexan parasites of the genus Karyolysus infecting 53.6% of G.
Rodrigo Megía‐Palma   +8 more
wiley   +1 more source

Biodiversidad

open access: yes, 2016
En este artículo se explica el concepto de biodiversidad y sus tres niveles: genético, de especies y de ecosistemas. Se analizan los datos relativos a la diversidad de organismos presentes en Costa Rica y se presentan las causas de esta riqueza. Además, se muestran las fortalezas con las que cuenta el país para proteger su biodiversidad y las amenazas ...
openaire   +1 more source

The PhenoChange network protocol for monitoring leaf phenology in tropical dry ecosystems using phenocameras

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Tropical dry ecosystems (TDEs) cover half of the tropics and play a key role in global carbon dynamics. TDEs present distinct canopy and ground layers that often exhibit contrasting phenological patterns. On‐the‐ground observations of phenology by the human eye, though valuable, may suffer from limited temporal resolution and observer biases ...
Desirée Marques Ramos   +35 more
wiley   +1 more source

Caça: Subsídios para Gestão de Unidades de Conservação e Manejo de Espécies

open access: yesBiodiversidade Brasileira, 2018
Em 2018, os números 1 e 2 da revista tratam da questão da caça, buscando subsídios para a gestão de unidades de conservação e manejo de espécies, e o editorial do no segundo número contempla os artigos de ambos.
Biodiversidade Brasileira
doaj  

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