Results 61 to 70 of about 7,869 (211)

Mercury distribution in the great cormorant (Phalacrocorax carbo) from the Krogulna ponds and Nysa Kłodzka River (Poland)

open access: yesVeterinární Medicína, 2023
Mercury belongs among the highly hazardous substances present in the environment and represents a great health risk for many animals including predatory and piscivorous birds.
K Novotna Kruzikova   +6 more
doaj   +1 more source

Pathology associated with larval Eustrongylides sp. (Nematoda: Dioctophymatoidea) infection in Galaxias maculatus (Actinopterygii: Galaxiidae) from Patagonia, Argentina [PDF]

open access: yes, 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
core   +1 more source

Diet, phenology and body size shape nutrient release by songbirds

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Animals can dramatically alter ecosystem structure and function through the cycling and transport of nutrients in their waste. While birds are particularly capable of influencing nutrient cycles due to their high mobility, abundance, metabolism and functional diversity,
Linsey Chen   +2 more
wiley   +1 more source

A view from above : changing seas, seabirds and food sources [PDF]

open access: yes, 2009
In this review we summarize what is known about mechanisms by which climate change may be affecting the populations of seabirds around the UK. Breeding success and adult survival are the key factors affecting changes in seabird populations, and food ...
Edwards, M.   +4 more
core  

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

Importance of small fishes and invasive crayfish in otter Lutra lutra diet in an English chalk stream [PDF]

open access: yes, 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

The lake sink in Atlantic salmon smolt downstream migration

open access: yesJournal 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

Bird Diversity in Fruit Gardens in Bang Nang Li Sub-district, Amphawa District, Samut Songkram Province [PDF]

open access: yesSuan Sunandha Rajabhat University Journal of Science and Technology, 2014
This research is quantitative and qualitative explorative research. The purposes of this research was 1) to study bird species, feeding behavior, abundance and status in study area 2) to study activities in utilization of birds in the study site.
Nitinarth Charoenpokaraj
doaj  

Birds in Kurigram district of Bangladesh

open access: yesJournal 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

Morphological description and molecular characterization of Contracaecum larvae (Nematoda: Anisakidae) parasitizing market-size hybrid tilapia (Oreochromis aureus x Oreochromis niloticus) and red drum (Sciaenops ocellatus) farmed in Israel

open access: yesFood and Waterborne Parasitology, 2022
Nematodes belonging to the genus Contracaecum (family: Anisakidae) are heteroxenous parasites with a complex life cycle. Contracaecum larvae infecting farmed fish and fishery products are economically important causing market rejection in massive ...
Nadav Davidovich   +9 more
doaj   +1 more source

Home - About - Disclaimer - Privacy