Results 11 to 20 of about 1,375 (85)

Feeding habits of the alien brook trout Salvelinus fontinalis and the native brown trout Salmo trutta in Czech mountain streams

open access: yesKnowledge and Management of Aquatic Ecosystems, 2017
Quantifying patterns of prey resource use is fundamental to identify mechanisms enabling the coexistence of related fish species. Trophic interactions between the native brown trout, Salmo trutta, and the introduced brook trout, Salvelinus fontinalis ...
Horká Petra   +5 more
doaj   +1 more source

Nestling Diet of Two Sympatric Insectivorous Passerines in Different Habitats—A Metabarcoding Study

open access: yesBirds
Increasing landscape transformations and urbanisation affect insectivorous bird populations in various ways such as food availability, breeding phenology, or reproductive success.
Daniel Höhn   +5 more
doaj   +1 more source

A guilda dos ocupantes de conchas, ermitões (Crustacea, Decapoda, Diogenidae) e gastrópodos (Molusca) na Ponta das Garoupas, Bombinhas, Santa Catarina [PDF]

open access: yes, 1998
Orientadora: Prof.ª Dr.ª Setuko MasunariTese (doutorado) - Universidade Federal do Paraná, Setor de Ciências Biológicas, Curso de Pós-Graduação em Ciências BiológicasInclui referênciasÁrea de concentração: ZoologiaInclui resumo por ...
Oliveira, Edinalva, 1964-
core   +1 more source

Improved interspecific selectivity of nylon shrimp (Heterocarpus reedi) trawling in Chile Mejoramiento de la selectividad interespecífica en arrastre de camaron nailon (Heterocarpus reedi) en Chile

open access: yesLatin American Journal of Aquatic Research, 2009
In order to improve the inter-specific selectivity of a new bottom trawl design for demersal crustaceans, an experimental attempt was carried out to compare the shrinkage effect in length of net structure accessories, particularly shorter bridles and ...
Dante Queirolo   +6 more
doaj  

Unveiling the mysteries of Asian herbivores resource partitioning in tropical wet-grassland ecosystem

open access: yesGlobal Ecology and Conservation
Ecological niche partitioning is fundamental for the coexistence of sympatric species. However, the relationship between herbivore body size and forage availability on resource segregation and selection remains debatable.
Anita Devi   +3 more
doaj   +1 more source

Unraveling the ecological impacts of alewife in a large Midwest reservoir decades after introduction

open access: yesJournal of Freshwater Ecology
Alewives Alosa pseudoharengus are native to the Atlantic Coast but have been introduced to inland waters as forage for sportfish populations. Alewife introductions have benefitted sportfish growth and body condition but have also negatively influenced ...
Logan R. Zebro   +5 more
doaj   +1 more source

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