Results 41 to 50 of about 1,633 (173)

Great cormorant (Phalacrocorax carbo) predation on pikeperch (Sander lucioperca L.) in shallow eutrophic lakes in Poland

open access: yesArchives of Polish Fisheries, 2017
Increases in the population abundance of the piscivorous great cormorant (Phalacrocorax carbo) has led to conflicts with fisheries. Cormorants are blamed for decreased fish catches in many lakes in Poland.
Traczuk Piotr, Kapusta Andrzej
doaj   +1 more source

A half century of monitoring reveals contrasting survival responses of Icelandic seabirds to climate and fisheries pressures

open access: yesIbis, EarlyView.
Seabirds serve as key indicators of marine environmental changes, with adult survival being a critical parameter for assessing population health. Iceland hosts some of the largest seabird populations in the North Atlantic, making it a valuable location for studying long‐term trends in seabird demographics.
Sarah E. Gutowsky   +6 more
wiley   +1 more source

Size Matters: Diversity and Abundance of Small Mammal Community Varies with the Size of Great Cormorant Colony

open access: yesDiversity, 2023
Cormorant colonies are often viewed negatively by fishermen and foresters due to their extremely high impact on aquatic and terrestrial ecosystems. In forests, the habitats of nesting territories are destroyed, with concomitant impacts on the animal ...
Marius Jasiulionis   +2 more
doaj   +1 more source

The influence of a cooling water system on waterbird habitat use in a coastal environment

open access: yesIbis, EarlyView.
This study investigated the impact of a cooling water system at a nuclear power plant in northern Europe on coastal waterbird habitat use. In winter, the cooling water system provided preferential areas for waterbirds with warm productive waters, and, more importantly, with ice‐free areas.
Andreas C. Bryhn   +2 more
wiley   +1 more source

Ecologically determined natal philopatry within a colony of great cormorants [PDF]

open access: yesBehavioral Ecology, 2001
Dispersal patterns of individuals within populations have implications for the social and genetic structure of local populations. Knowing what factors determine individual dispersal behavior is essential for predicting how the population structure will be influenced by environmental and demographic changes.
openaire   +2 more sources

Assessment of the impact of the great cormorant (Phalaсrocorax carbo sinensis Shaw et Nodder, 1801) on fish resources of the Obytichna Spit the Sea of Azov

open access: yesRibogospodarsʹka Nauka Ukraïni
Purpose. Assessment of the impact of the great cormorant (Phalacrocorax carbo) on fish resources of the Sea of Azov and determination of dietary needs and feeding habits of this species during its nesting period on the Obytichna Spit (Zaporizhzhia region)
A. Sydorenko
doaj   +1 more source

Pejerrey (Odontesthes bonariensis) Under Siege: Main Infectious Diseases and Their Role in Aquaculture and Wild Populations Amidst Environmental Change

open access: yesJournal of Fish Diseases, Volume 48, Issue 4, April 2025.
ABSTRACT The pejerrey (Odontesthes bonariensis) is a key species for recreational and commercial fisheries in Argentina and holds significant aquaculture potential. It has been introduced to various countries worldwide, including Japan, where intensive aquaculture has developed.
Aarón Torres‐Martínez   +4 more
wiley   +1 more source

First registration and description of the breeding biology of the Great cormorant Phalacrocorax carbo (Linnaeus, 1758) in the Fergana Valley of Uzbekistan

open access: yesActa Biologica Sibirica
This study provides information on the discovery and preliminary ecological assessment of a new nest colony of the Great cormorant Phalacrocorax carbo (Linnaeus, 1758) in the Uzbek part of the Fergana Valley.
Sanjarbek S. Umarov, Roman D. Kashkarov
doaj   +1 more source

Fine scale characteristics of catfish aquaculture ponds influencing piscivorous avian species foraging use in the Mississippi Delta.

open access: yesPLoS ONE, 2020
Piscivorous avian species are the main source of catfish depredation at aquaculture facilities in Mississippi, resulting in the economic loss of millions of dollars every year.
Paul C Burr   +4 more
doaj   +1 more source

Citizen science reveals host‐switching in louse flies and keds (Diptera: Hippoboscidae) during a period of anthropogenic change

open access: yesMedical and Veterinary Entomology, EarlyView.
A study of louse flies in the United Kingdom, Isle of Man, and Ireland found 212 different interactions between Hippoboscidae and their hosts, of which 70 were previously unrecorded. No louse flies were found on aquatic species of birds. Host‐switching to gulls (Laridae) has occurred during a period in which these species have started relying on ...
Denise C. Wawman   +2 more
wiley   +1 more source

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