Results 41 to 50 of about 640,753 (167)

Hurricanes lead to declines in taxonomic, phylogenetic, and functional richness and shifts in moth community composition

open access: yesEcosphere, Volume 16, Issue 5, May 2025.
Abstract Disturbances play a central role in shaping biodiversity, influencing both community structure and ecosystem function. The responses of biodiversity to disturbance are inherently multidimensional, often leading to shifts in taxonomic composition, functional traits, and evolutionary dynamics within biological communities.
Aura M. Alonso‐Rodríguez   +5 more
wiley   +1 more source

Handling, processing and marketing of tropical fish : conference proceedings

open access: yes, 1976
Meeting: Conference on the Handling, Processing and Marketing of Tropical Fish, 5-9 July 1976, London ...
Tropical Products Institute
core   +1 more source

Avaliação de acessos de Brachiaria brizantha Stapf e estimativas de parâmetros genéticos para caracteres agronômicos - DOI: 10.4025/actasciagron.v31i1.6605

open access: yesActa Scientiarum. Agronomy, 2009
Atualmente, a Brachiaria brizantha Stapf é a gramínea forrageira tropical com maior área cultivada, no Brasil, e é responsável por grande parte do mercado de sementes e pelo incremento na produtividade animal.
Kelen Cristina Basso   +4 more
doaj   +1 more source

Rank of divisors on tropical curves [PDF]

open access: yes, 2013
We investigate, using purely combinatorial methods, structural and algorithmic properties of linear equivalence classes of divisors on tropical curves.
Králʼ, Daniel   +2 more
core   +1 more source

Do water–energy dynamics drive plant species richness patterns on the high alpine Tibetan plateau?

open access: yesEcosphere, Volume 16, Issue 5, May 2025.
Abstract Knowledge on the spatial distribution of plant species richness and its associated factors is crucial for addressing several ecological problems. Climate factors have long been used to explain species richness patterns across space and time. In this study, we investigated how water and energy variables shape species richness patterns on the ...
Prakash Bhattarai   +2 more
wiley   +1 more source

PRODUÇÃO E QUALIDADE DE SEMENTES DE BRACHIARIA HUMIDICOLA EM RAZÃO DA ADUBAÇÃO NITROGENADA E POTÁSSICA

open access: yesColloquium Agrariae, 2014
Os programas de adubação vigentes no Brasil para gramíneas forrageiras tropicais são voltados para a produção de biomassa, por outro lado, há muitos questionamentos sobre o uso de fertilizantes para a produção de sementes dessas espécies.
Tiago Aranda Catuchi   +5 more
doaj   +2 more sources

Animal production in Tanzania grass swards fertilized with nitrogen Produção animal em pastos de capim-tanzânia adubadas com nitrogênio

open access: yesRevista Brasileira de Zootecnia, 2009
Nitrogen (N) at 100, 200, 300, and 400 kg ha-1 was applied to Tanzania grass swards to evaluate the animal response and relationships between sward characteristics and the performance of young Nellore bulls (Bos indicus) under continuous stocking.
Marcos Weber do Canto   +4 more
doaj   +1 more source

Tropical

open access: yes, 2019
Tropical butterfly monitoring data collected over two to nine consecutive years in five tropical/subtropical forest sites under standardized monitoring ...
Billy C.H. Hau (6677753)   +9 more
core   +1 more source

Validation and development of eDNA metabarcoding primers for comprehensive assessment of Chinese amphibians

open access: yesIntegrative Zoology, Volume 20, Issue 3, Page 504-519, May 2025.
eDNA metabarcoding, using various primer sets, effectively amplified 83 amphibian species from China, showcasing its potential for biodiversity assessments. However, optimizing amphibian‐specific primers is crucial due to occasional non‐amphibian amplification.
Dongyi WU   +7 more
wiley   +1 more source

Mudanças na biomassa Microbiana e nas tansformações de Nitrogênio do solo em uma sequência de idades de pastagens após derruba e queima da floresta na Amazônia Central [PDF]

open access: yesActa Amazonica, 1999
Foram estudadas mudanças nos parâmetros bioquímicos do solo em resultado da derruba e queima da floresta tropical na Amazônia brasileira para o estabelecimento de pastagens através da biomassa microbiana, um sensível indicador de modificações na ...
Regina C. C LUIZÃO   +2 more
doaj   +1 more source

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