Results 71 to 80 of about 7,920 (201)
Birds in Kurigram district of Bangladesh
Journal of Threatened Taxa, 2009 A study of the birds in the area adjacent to the Dharala and Brahmaputra rivers in Kurigram District, Bangladesh, was conducted between November 2000 and February 2002.
S.I. Khan, H. Naher
doaj +1 more source
The lake sink in Atlantic salmon smolt downstream migration
Journal of Fish Biology, EarlyView.Abstract The objective was to estimate the movements and survival of Atlantic salmon smolts migrating downstream through a river–lake system consisting of two large, interconnected lakes (areas 58.2 and 13.2 km2, minimum crossing distance 29 and 16 km).
Jan Heggenes +3 more
wiley +1 more source
Importance of small fishes and invasive crayfish in otter Lutra lutra diet in an English chalk stream [PDF]
, 2017 The diet composition of the European otter Lutra lutra was assessed using spraint analysis in the Hampshire Avon, a lowland chalk stream in Southern England, over an 18 month period.
Adrian +26 more
core +2 more sources
Revista Mexicana de Biodiversidad, 2017 Albinism is a genetic condition caused by an autosomal recessive gene that affects normal pigmentation in animals. In Neotropical freshwater fish fauna, albinism cases are extremely rare, with only 14 species recorded among more than 6,000 described ...
Pedro S. Manoel +2 more
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Journal of Fish Biology, EarlyView.Abstract Using DNA techniques for prey identification is an emerging approach for enhancing the precision and accuracy of trophic information. We evaluated the effectiveness of DNA‐based prey identification in conjunction with visual stomach content analysis of commercially important groundfish in the nearshore Gulf of Maine, with a focus on ...
Landon P. Falke +3 more
wiley +1 more source
Pathology associated with larval Eustrongylides sp. (Nematoda: Dioctophymatoidea) infection in Galaxias maculatus (Actinopterygii: Galaxiidae) from Patagonia, Argentina [PDF]
, 2019 Helminth infections within tissues tend to be subjected to a host response that can include encapsulation and melanization to isolate the parasite. The effectiveness of this response depends on the host species. During a survey of parasites of the native
Brugni, Norma Leonor +2 more
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, 2021 The ecological communities we observe today are a product of the bidirectional interactions between ecological and evolutionary processes. Although the effects of ecological processes on population divergence and speciation have been studied extensively, far less is known about the effects of divergence and speciation on ecological dynamics.
openaire +1 more source
The impacts of biological invasions
Biological Reviews, Volume 101, Issue 3, Page 1255-1310, June 2026.ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock +42 more
wiley +1 more source
The Molecular Analysis of Hawaiian Bird Diets [PDF]
, 2018 The aim of this project is to utilize high-throughput molecular methods to investigate the diets of three non-native and one native Hawaiian bird species.
Scinto, Alissa C
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Onderstepoort Journal of Veterinary Research, 2004 Clarias gariepinus were collected from Lake Chivero, Zimbabwe, and examined for nematode parasites from November 2000 to May 2002. Of the 202 specimens collected, 42.6 % were infected with third-stage larvae of Contracaecum sp. in the body cavity. The
M. Barson
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