Results 21 to 30 of about 7,920 (201)
Fishes, 2023 During winter, stream fishes are vulnerable to semi-aquatic predators like mammals and birds and reduce encounters by being active in darkness or under surface ice. Less is known about the behavior of fishes towards instream piscivorous fishes.
Karl Filipsson +5 more
doaj +1 more source
Significant impact of allochthonous nutrient loads on microarthropods in forest soils
Forest Systems, 2022 Aim of study: To investigate the impact of allochthonous material from piscivorous birds on forest soil microarthropod communities. Area of study: Six study zones in the Curonian Spit peninsula (western Lithuania) were designated in Pinus sylvestris ...
Audrone Petrauskiene +4 more
doaj +1 more source
Frontiers in Sustainable Food Systems, 2022 Waterbirds cause substantial fish-stock losses in open aquaculture systems, particularly in developing countries where fish-ponds are smaller and predator control methods largely manual or under-resourced.
Nickson Erick Otieno, Erick Shidavi
doaj +1 more source
Frontiers in Microbiology, 2023 Soil microorganisms and free-living nematodes were investigated in association with the nesting and roosting habitats of the following piscivorous and omnivorous colonial birds: black kite (Milvus migrans), great cormorant (Phalacrocorax carbo), black ...
Stanislav Pen-Mouratov, Tamar Dayan
doaj +1 more source
Journal of the World Aquaculture Society, 2023 Bolbophorus damnificus is a digenetic trematode causing significant economic losses within the United States commercial catfish industry. The indirect life cycle is complex, requiring piscivorous birds, aquatic snails, and fish to complete.
Bradley M. Richardson +6 more
doaj +1 more source
Fauna Norvegica, 2021 The helminth fauna of brown trout (Salmo trutta) in the Norwegian subalpine lake, Øvre Heimdalsvatn was studied by examination of gills, eyes, body cavity, kidney, stomach, pyloric region and intestine in a total of 112 brown trout randomly sampled in ...
Reidar Borgstrøm +3 more
doaj +1 more source
Predator avoidance in extremophile fish [PDF]
, 2013 Extreme habitats are often characterized by reduced predation pressures, thus representing refuges for the inhabiting species. The present study was designed to investigate predator avoidance of extremophile populations of Poecilia mexicana and P ...
Arias-Rodriguez, Lenin +7 more
core +2 more sources
SEMANTIC FEATURES OF THE NAMES OF ASTRAKHAN PISCIVOROUS BIRDS
HUMANITARIAN RESEARCHES, 2021 The article is devoted to the description of the names of piscivorous birds in the Astrakhan dialects. The nominations of birds in the Russian language constitute a layer of common Slavic vocabulary. The Proto-Slavic vocabulary and wordformation system served as the basis for further historical development.
openaire +1 more source
The energetic cost of mounting an immune response for Pallas’s long-tongued bat (Glossophaga soricina) [PDF]
PeerJ, 2018 The acute phase response (APR) is the first line of defense of the vertebrate immune system against pathogens. Mounting an immune response is believed to be energetically costly but direct measures of metabolic rate during immune challenges contradict ...
Lucia V. Cabrera-Martínez +2 more
doaj +2 more sources
Dietary breadth and trophic position of introduced European catfish Silurus glanis in the River Tarn (Garonne River basin), southwest France [PDF]
, 2010 Although being a widely introduced and successfully established species, the European catfish Silurus glanis L. (the world’s third largest freshwater fish) remains poorly studied in its introduced areas.
Crivelli, Alain Jean +5 more
core +4 more sources