Results 41 to 50 of about 4,283 (200)

The singing phenology of Bachman's sparrow: implications for monitoring programs

open access: yesWildlife Society Bulletin, EarlyView.
We used automated recording units, weather data, and multiple logistic regression with generalized estimating equations to determine the annual singing period and influences on singing behavior of Bachman's sparrow in Texas, USA, surveying daily for 2 years.
Liam G. Wolff   +5 more
wiley   +1 more source

Not all crickets are equal: selective shrike predation highlights the conservation value of diverse arthropod communities to grassland birds

open access: yesIbis, EarlyView.
Understanding dietary preferences and prey selection is pivotal for interpreting the ecology and conservation needs of threatened species. We investigated the diet composition and prey selection of the Red‐backed Shrike Lanius collurio in a montane grassland of the central Italian Apennines, with special regard to sex‐related differences and the ...
Leonardo Ancillotto   +8 more
wiley   +1 more source

Is Pteridium aquilinum a partner of cancer? Preliminary data from K14- HPV16 transgenic mice [PDF]

open access: yes, 2023
Is Pteridium aquilinum a partner of cancer?
Medeiros-Fonseca, B   +5 more
core  

Intoxicação experimental aguda por samambaia (Pteridium aquilinum) em bovinos Experimental acute poisoning by bracken fern (Pteridium aquilinum) in cattle

open access: yesPesquisa Veterinária Brasileira, 2009
Este experimento foi delineado para investigar os seguintes pontos em relação à intoxicação aguda por samambaia (Pteridium aquilinum) em bovinos: 1) a intensidade da trombocitopenia em diferentes momentos da intoxicação e sua relação com possíveis ...
Bruno L. Anjos   +5 more
doaj   +1 more source

Enfermidades determinadas pelo princípio radiomimético de Pteridium aquilinum (Polypodiaceae) [PDF]

open access: yesPesquisa Veterinária Brasileira, 2002
Por meio de revisão da literatura pertinente foram coligidos e são apresentados os principais dados relativos aos aspectos epidemiológicos, toxicológicos, clínicos, anátomo e histopatológicos observados nos casos de intoxicação pelo princípio ...
Ticiana do Nascimento França   +2 more
doaj   +1 more source

From quantity to quality: the evolution of forest restoration in the United Kingdom

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction Over the past century, forest cover in the United Kingdom has increased threefold. However, the pathways, achievements, and shortcomings of this expansion remain underexplored. Objectives This study analyses the drivers, implementation, and legacies of forest restoration in the United Kingdom before and after 1990, which is when ...
Susanne Raum   +4 more
wiley   +1 more source

Determinação de ptaquilosídeo no leite de vacas por CLAE-UV

open access: yesSemina: Ciências Agrárias, 2019
Samambaias do gênero Pteridium são reconhecidas como responsáveis por casos de intoxicação em bovinos. As espécies de Pteridium comumente encontradas no Brasil são P. arachnoideum e P. caudatum.
Debora da Silva Freitas Ribeiro   +3 more
doaj   +1 more source

Interannual dynamic resource selection patterns of the northern bobwhite in a region with poor edaphic conditions

open access: yesWildlife Biology, Volume 2026, Issue 5, September 2026.
Understanding an organism's shifting resource needs throughout its life cycle is crucial for developing effective conservation strategies. Northern bobwhite Colinus virginianus populations have been declining for nearly a century due largely to habitat loss/degradation.
Autumn S. Randall   +2 more
wiley   +1 more source

Cattle acute intoxication by bracken fern ( Pteridium aquilinum, L. Kuhn) at north Paraná State-Brazil/
Ocorrência de intoxicação aguda em bovinos pela samambaia ( Pteridium aquilinum, L. Kuhn) no norte do Paraná-Brasil

open access: yesSemina: Ciências Agrárias, 2001
The authors describe a case of acute intoxication by bracken fern ( Pteridium aquilinum) in a cattle herd raised in the city of Reserva, Parana State. A total of 25 animals died due to intoxication caused by the ingestion of large amounts of the toxic ...
Alexandre Amorim Monteiro   +5 more
doaj   +1 more source

Ecological Costs of Waiting to Restore Ecosystem Engineers: The Case of Giant Tortoises in the Galápagos Islands

open access: yesConservation Letters, Volume 19, Issue 5, September/October 2026.
ABSTRACT In the Galápagos Islands, giant tortoises (Chelonoidis spp.) engineer terrestrial ecosystems. Endemic tortoise lineages have been lost from Floreana and Pinta Islands, resulting in ecosystem shifts, with tortoise population restoration currently being considered using hybrids that include ancestry from the now extinct C.
Max D. Jones   +5 more
wiley   +1 more source

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