Results 21 to 30 of about 191,164 (102)

Fichas de Espécies - Aves [PDF]

open access: yes, 2023
No Arquipélago dos Açores, até à data, foram registadas cerca de 420 espécies de aves: entre residentes/nidificantes, migradores / invernantes regulares e ocasionais.
Pereira, Carlos, Melo, Cecília
core  

voluModel: Modelling species distributions in three‐dimensional space

open access: yesMethods in Ecology and Evolution, Volume 14, Issue 3, Page 841-847, March 2023., 2023
Abstract Ecological niche modelling (ENM), species distribution modelling and related spatial analytical methods were first developed in two‐dimensional (2‐D) terrestrial systems; many common ENM workflows organize and analyse geographically structured occurrence and environmental data based on 2‐D latitude and longitude coordinates.
Hannah L. Owens, Carsten Rahbek
wiley   +1 more source

PEIXES PELÁGICOS DA LAGOA RODRIGO DE FREITAS, RIO DE JANEIRO, BRASIL [PDF]

open access: yes, 2004
O objetivo desse estudo é caracterizar a composição da ictiofauna pelágica, a distribuição espacial/sazonal e a abundância relativa na Lagoa Rodrigo de Freitas.
Natalie V. Freret   +6 more
core   +2 more sources

Aves Pelágicas, habitantes incomprendidas de los océanos [PDF]

open access: yes, 2022
Pelagic birds are a group of littleknown birds, because most of their lives are spent flying at sea and they only go to the coast or islands to reproduce.
Reyes Merino, Carlos Balmore
core  

Factores socio-políticos de la degradación ambiental en la provincia de Iquique

open access: yesRevista de Ciencias Sociales, 1992
El incesante aumento de la producción y el consumo humano, ha originado graves problemas ecológicos, los que se concentran en dos grandes áreas: la contaminación y la sobre-explotación de los bienes naturales y sociales. En Iquique debido a la expansión
Víctor Guerrero Cossío
doaj   +1 more source

Comparative species distribution model framework for marine conservation and its application to loggerhead turtles in the Mediterranean

open access: yesConservation Biology, EarlyView.
Abstract Modeling species distributions in dynamic pelagic environments remains challenging, particularly for wide‐ranging and highly mobile species when there is limited guidance on model performance. This limitation constrains the effective use of species distribution models (SDMs) in marine conservation, where robust and transferable predictions are
E. Pasanisi   +32 more
wiley   +1 more source

Observer coverage and interaction rates determine the choice between design‐based and machine learning bycatch estimators for rare species

open access: yesConservation Biology, EarlyView.
Abstract Robust estimates of the magnitude of protected species bycatch are essential for effective fisheries management and marine conservation. Existing bycatch estimation methods typically struggle to accurately and precisely estimate the bycatch of rare species as a result of the statistical assumptions necessary to overcome infrequent encounters ...
Christopher Long   +3 more
wiley   +1 more source

Presença e tipos de dormência em sementes de espécies arbóreas da floresta ombrófila densa [PDF]

open access: yes, 2008
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas. Programa de Pós-graduação em Biologia VegetalEste trabalho, sobre a dormência em sementes de espécies arbóreas da Floresta Ombrófila Densa, procurou verificar
Torres, Izabel Christina
core  

Microorganismos del corredor marino Isla del Coco-Galápagos: diversidad funcional y de especies

open access: yesTecnología en Marcha, 2018
El corredor marino Isla del Coco-Galápagos, en su conjunto, constituye un santuario para la protección de especies marinas en la región oriental del Pacífico Tropical.
Keilor Rojas-Jiménez
doaj   +1 more source

Diversidade genética e análise da paisagem de espécies arbóreas da floresta estacional decidual [PDF]

open access: yes, 2014
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-Graduação em Recursos Genéticos Vegetais, Florianópolis, 2014.A fragmentação florestal é reconhecida como um dos principais fatores de ameaça as
Steiner, Felipe
core  

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