Results 31 to 40 of about 1,593,565 (154)

Assessing and quantifying variations in the functioning of marine food webs across scales

open access: yesConservation Biology, EarlyView.
Abstract The mismatch between the scale of ecological processes and management decisions represents a significant challenge in marine conservation. This misalignment can result in ineffective conservation measures and compromise the sustainability of marine ecosystems.
Izaskun Preciado   +16 more
wiley   +1 more source

Caracterización fisicoquímica del agua y nivel de eutrofización de la Laguna El Comendador, ubicada en los municipios de Pasaco y Moyuta en el departamento de Jutiapa, Guatemala [PDF]

open access: yes, 2020
Caracterizar el cuerpo de agua de la laguna El Comendador, analizando los parámetros fisicoquímicos y su nivel trófico, así comparar los parámetros in situ de temperatura, pH, conductividad eléctrica y transparencia en función de la profundidad de la ...
Chew Aldana, Ana Elisa
core   +1 more source

Metabolismo de la comunidad planctónica en embalses térmicamente estratificados con diferente nivel trófico [PDF]

open access: green, 2009
Este estudio se enmarca dentro de un Proyecto de mayor envergadura que trata de caracterizar el papel de los embalses en el contexto del ciclo global del carbono, esto es, poner de manifiesto si estos sistemas se comportan como emisores de dióxido de ...
Leonardo Romero‐Martínez
openalex   +2 more sources

Response of endemic lizard populations to attempted eradication of invasive predators on a Galápagos island

open access: yesJournal of Applied Ecology, Volume 63, Issue 9, September 2026.
Integrating reptile monitoring into invasive predator eradication programmes can reveal rapid responses in ecologically important, yet frequently overlooked, components of island ecosystems. Accounting for habitat variation alongside changes in predator communities will improve interpretation of post‐eradication population responses and inform ...
Kirtana Kumar   +11 more
wiley   +1 more source

Ponderação de variáveis de índice trófico com aplicação em reservatórios no semiárido brasileiro [PDF]

open access: yesRevista DAE
Neste estudo foram investigados 14 reservatórios no estado do Ceará, Nordeste do Brasil, utilizando dados anuais de monitoramento (2013 a 2020) sobre a qualidade da água.
Carlos Hugo Campos Camacho   +4 more
doaj   +1 more source

Sazonalidade e variação espacial do índice de estado trófico do açude Orós, Ceará, Brasil.

open access: yesAgro@mbiente On-line, 2014
Objetivou-se com o presente trabalho avaliar a qualidade das águas do açude Orós, estudando os atributos físicoquímicos e biológicos quanto à sua contribuição para com o processo de eutrofização, bem como identificar o nível trófico das águas usando o ...
Adriana Alves Batista   +4 more
doaj   +1 more source

Fluctuating asymmetry in spider‐hunting wasps as a possible indicator of stress in Brazilian Atlantic Forest landscapes Assimetria flutuante em vespas caçadoras de aranhas como possível indicador de estresse em paisagens da Mata Atlântica brasileira

open access: yesEcological Entomology, Volume 51, Issue 3, Page 558-569, June 2026.
Agricultural cover was positively associated with fluctuating asymmetry in Trypoxylon opacum, suggesting a possible increase in developmental instability in intensively managed landscapes. Wing size was positively related to forest cover and negatively related to agricultural cover, indicating that forested landscapes may promote larger body size ...
Luana Vieira Carlin dos Santos   +3 more
wiley   +1 more source

Pierna trófico venosa [PDF]

open access: yes, 1951
La pierna trófico venosa constituye la expresión de la enfermedad tisular provocada por las lesiones de dicho ...
Clivio Durante, Tomás
core  

El entierro múltiple de Cabo Dos Bahías (Patagonia Central Argentina): recuperación de información de la colección Frengüelli-Brunet

open access: yesRevista del Museo de Antropologia, 2022
En este trabajo se presenta nueva información sobre el estudio interdisciplinario del entierro múltiple de Cabo Dos Bahías, ubicado en la costa norte del golfo San Jorge y excavado en 1984 por el Sr.
Ana Gabriela Millán   +4 more
doaj   +1 more source

Fish loss in tropical coastal ecosystems can jeopardise nutrient supply to traditional fishing communities: A case study from Northeast Brazil

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1248-1260, May 2026.
Abstract Fisheries constitute one of the major benefits that oceans provide for people. Yet anthropogenic pressures and global changes are disrupting coastal systems, eroding marine biodiversity and threatening the food security of traditional populations.
Fabricio C. Albuquerque   +4 more
wiley   +1 more source

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