Results 11 to 20 of about 601,308 (199)

Dinámica del NDVI en distintas fases del fenómeno ENSO en la Reserva de Biósfera Laguna Blanca (Catamarca, Argentina)

open access: yesEcología Austral, 2020
El Niño-Oscilación del Sur (ENSO, por sus siglas en inglés) es un fenómeno oceánico-climático que muestra dos fases contrastantes y una fase intermedia o neutra que afectan a diferentes regiones del mundo. En algunas ecorregiones del Noroeste Argentino (
Alejandro E. Maggi   +3 more
doaj   +1 more source

El mayor registro de elevación de Mustela frenata (Carnivora: Mustelidae) y distribución en el departamento de Calda, región andina de Colombia

open access: yesMammalogy Notes, 2014
The long-tailed weasel Mustela frenata Lichtenstein, 1831 has the greatest geographical range among mustelids in the western hemisphere (Harding & Dragoo 2012). The range of M. frenata extends from the north of the United States, near the Canadian border,
Sergio Escobar-Lasso   +1 more
doaj   +1 more source

Windthrows increase soil carbon stocks in a central Amazon forest [PDF]

open access: yesBiogeosciences, 2016
Windthrows change forest structure and species composition in central Amazon forests. However, the effects of widespread tree mortality associated with wind disturbances on soil properties have not yet been described in this vast region.
L. T. dos Santos   +8 more
doaj   +1 more source

Rainfall and Tidal Cycle Regulate Seasonal Inputs of Microplastic Pellets to Sandy Beaches

open access: yesFrontiers in Environmental Science, 2020
Microplastic contamination of coastal environments is a global problem and pellets used in industrial processes are a persistent and worldwide form of microplastic pollution.
Danilo Balthazar-Silva   +8 more
doaj   +1 more source

Proporción sexual, relación talla-peso y distribución geográfico-batimétrica de Squalus cubensis (SQUALIFORMES: SQUALIDAE) en la costa Caribe de Centroamérica

open access: yesUniciencia, 2017
Se describe la distribución geográfica y batimétrica de Squalus cubensis capturados a bordo del B/O Miguel Oliver en la costa Caribe de Centroamérica, durante una campaña de prospección pesquera realizada del 3 de enero hasta el 3 de febrero del 2011. Se
Rosario Benavides-Morera   +2 more
doaj   +1 more source

O uso do óleo de cravo como anestésico em juvenis avançados de tilápia do Nilo (Oreochromis niloticus)=The use of clove oil as an anesthetic for advanced juvenile tilapia (Oreochromis niloticus) [PDF]

open access: yesActa Scientiarum: Animal Sciences, 2012
A inevitável manipulação de peixes vivos em piscicultura causa uma série de reações fisiológicas adversas, o que exige o uso de anestésicos. O objetivo foi avaliar a eficiência do óleo de cravo como anestésico para juvenis avançados (aproximadamente 55 g
Levy Carvalho Gomes   +4 more
doaj   +1 more source

Digital fire technologies and community networks: Cultivating just sociotechnical practices for living with planetary change

open access: yesPeople and Nature, EarlyView.
Abstract Fires are expanding in frequency and intensity worldwide due to climate change and land‐use transformations. At the same time, fire often plays a regenerative role in ecosystems. Traditional and cultural practices incorporate fire use for landscape management and landscape renewal. In this complex matrix of fire ecologies, digital technologies
Jennifer Gabrys   +2 more
wiley   +1 more source

Manejo racional de colônias de meliponíneos [PDF]

open access: yes, 2013
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Curso de Agronomia.O estudo de abelhas indígenas sem ferrão ainda é recente e sem dúvida merece mais atenção por parte dos pesquisadores. A escolha de espécies nativas
Barros, Hassein Mesquita
core  

First insights into the movement patterns of maned wolf with sarcoptic mange

open access: yesWildlife Biology, EarlyView.
Understanding how infectious diseases influence wildlife behavior, particularly in habitats undergoing modification, is crucial for predicting disease outbreaks, assessing impacts on population fitness, and mitigating human health risks. Sarcoptic mange can alter wildlife movement and space use, yet its effects on threatened carnivores remain unclear ...
Ana Yoko Ykeuti Meiga   +18 more
wiley   +1 more source

Construção participativa de indicadores para a avaliação do manejo sanitário da ordenha [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias. Programa de Pós-graduação em Agroecossistemas (Mestrado Profissional), Florianópolis, 2012Apesar dos esforços de entidades públicas e privadas na melhoria da ...
Souza, Alexandre Prestes de
core  

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