Results 21 to 30 of about 10,610,561 (134)

Impactos antrópicos aos ambientes manguezais em áreas de ocorrência do Peixe-boi-marinho trichechus manatus manatus no litoral brasileiro

open access: yesBiodiversidade Brasileira, 2023
O peixe-boi-marinho (Trichechus manatus manatus) é um mamífero aquático que habita mares, áreas de manguezais e estuários nas regiões Norte e Nordeste do Brasil.
Helena Gurjão Pinheiro do Val   +10 more
doaj   +1 more source

New method for taxonomic descriptions with coded notation, producing dynamic and interchangeable output

open access: yesEcology and Evolution
A proposal for taxonomic species description notation is presented to replace the traditional descriptive texts for a coded matrix, avoiding redundant adjectives and subjective descriptions.
Douglas Zeppelini   +8 more
doaj   +1 more source

Biology of the Sanzo's goby, Lesueurigobius sanzoi (de Buen, 1918), off Cabo Raso, Portugal

open access: yesScientia Marina, 2004
The presence of Sanzos's goby, Lesueurigobius sanzoi (de Buen, 1918), off Cabo Raso, Portugal, is recorded for the first time. The biology of this population was studied using 11 samples collected between April 2000 and September 2001 at depths of 70-100
Cristina Paulo Martins   +2 more
doaj   +1 more source

LINE-1 and SINE-B1 mapping and genome diversification in Proechimys species (Rodentia: Echimyidae)

open access: yesLife Science Alliance, 2022
Signal distribution of L1 and B1 among chromosomes in five species of Proechimys may represent a strong indication of their role in karyotype diversity of this speciose Neotropical rodent.
Simone Cardoso Soares   +6 more
doaj   +1 more source

Belowground effects of ground‐dwelling large herbivores in forest ecosystems

open access: yesJournal of Animal Ecology, EarlyView.
This study reviews how ground‐dwelling large herbivores affect forest soil and litter globally. Effects are context‐dependent, vary among species and forest types, and remain poorly studied in tropical forests, highlighting critical gaps in understanding nutrient cycling and ecosystem functioning.
Letícia Gonçalves Ribeiro   +4 more
wiley   +1 more source

Sistematização e análise das informações gerenciais e administativas das unidades de conservação no Estado de Santa Catarina [PDF]

open access: yes, 2003
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia de Produção.As leis do Sistema Nacional e Estadual de Unidades de Conservação as dividem em dois grupos, caracterizados como de ...
Salles, Paulo Benincá de
core  

Avaliação do risco de extinção do veado-mateiro Mazama americana Erxleben, 1777, no Brasil

open access: yesBiodiversidade Brasileira, 2012
O estado de conservação do veado-mateiro Mazama americana (Erxleben, 1777) foi avaliado de acordo com os critérios da IUCN (2001), com base nos dados disponíveis até 2010, resumidos neste trabalho.
José Maurício Barbanti Duarte   +6 more
doaj   +3 more sources

Contrasting nation-wide citizen science and expert collected data on hummingbird–plant interactions

open access: yesPerspectives in Ecology and Conservation, 2023
Citizen science has the potential to increase the efficiency of scientific data collection. However, such initiatives often focus on unique taxa for each record, not necessarily involving interspecific interactions.
Camila Bosenbecker   +5 more
doaj   +1 more source

Complex multitrophic species interactions and fitness costs: Intricate consequences of jasmonate and salicylate induced plant defences

open access: yesJournal of Animal Ecology, EarlyView.
This study reveals how long‐term activation of jasmonic and salicylic acid signalling reshapes arthropod communities and plant fitness across seasons. By showing that induced defences generate contrasting outcomes and cascading trade‐offs across trophic levels, it challenges the assumption that induced resistance is uniformly beneficial in natural ...
Mônica F. Kersch‐Becker   +6 more
wiley   +1 more source

Instrumental para definição de zonas de amortecimento de unidades de conservação: o caso da estação ecológica de Carijós-Ibama, Florianópolis/SC [PDF]

open access: yes, 2005
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Filosofia e Ciências Humanas. Programa de Pós-Graduação em Geografia.As zonas de amortecimento devem desempenhar papel crucial na manutenção dos processos de desenvolvimento e ...
Silva, Ricardo Brochado Alves da
core  

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