Results 71 to 80 of about 18,269 (201)

Differences in the diet of breeding Cormorants Phalacrocorax carbo sinensis in an inland colony: the effect of years, breeding stages and locations within the colony

open access: yesLimnological Review, 2018
A study of the diet of the Great Cormorant Phalacrocorax carbo sinensis (fish species and size) in (1) different seasons (years), (2) breeding stages (incubation and chick rearing), and (3) breeding areas (center and edge) in the colony in the Dzierżno ...
Buttu Simone   +3 more
doaj   +1 more source

Molecular Characterization of Eustrongylides sp. Infecting Channa punctata in Bangladesh

open access: yesVeterinary Medicine and Science, Volume 12, Issue 3, May 2026.
In this study, a total of 137 medium‐sized Channa punctata (17.5 ± 2.5 cm) were collected from different locations of Jamalpur and Netrokona district, Bangladesh and microscopically identified as belonging to the genus Eustrongylides based on morphological characteristics.
Salman Shahriar Nibir   +10 more
wiley   +1 more source

A changing distribution of seabirds in South Africa – the possible impact of climate and its consequences

open access: yesFrontiers in Ecology and Evolution, 2015
In the southern Benguela ecosystem off South Africa, there were recent shifts to the south and east in the distributions of three forage resources (anchovy, sardine, rock lobster), which probably were influenced by environmental change although fishing ...
Robert James Minchin Crawford   +8 more
doaj   +1 more source

CNN Architectures for Large-Scale Audio Classification

open access: yes, 2017
Convolutional Neural Networks (CNNs) have proven very effective in image classification and show promise for audio. We use various CNN architectures to classify the soundtracks of a dataset of 70M training videos (5.24 million hours) with 30,871 video ...
Chaudhuri, Sourish   +12 more
core   +1 more source

A national assessment of waterbird hunting in coastal wetlands of Suriname, South America

open access: yesConservation Science and Practice, Volume 8, Issue 5, May 2026.
We examined waterbird harvest levels in Suriname using hunter survey data from 2006 and 2016. The analysis showed a significant decline in the average harvest per hunter over the decade, except for blue‐winged teal and migratory shorebirds. However, the sustainability of current harvest levels remains uncertain, underscoring the need for a national ...
David S. Mizrahi   +6 more
wiley   +1 more source

Central area fisheries annual report 1994 [PDF]

open access: yes, 1994
The purpose of this report is to record key events/data and to outline the activities of the NRA Central Area Fisheries Function during 1994. The Rivers looked at include the Ribble, Lune, Hodder and Wyre.

core  

Holding a wing horizontal: Roles for muscles of the pectoral girdle other than the main two flight muscles

open access: yesJournal of Anatomy, Volume 248, Issue 5, Page 830-842, May 2026.
This report explores which muscles of the pectoral girdle are employed to allow birds to hold their wings horizontally with a level aerofoil surface during a glide. Abstract Whilst many birds glide briefly with wings held horizontally, some species maintain this posture for extended periods during soaring.
D. Charles Deeming, María Clelia Mosto
wiley   +1 more source

The relationship between the feather tuft of the uropygial gland and terrestrial/aquatic birds [PDF]

open access: yes, 2013
The bird´s uropygial gland has a papilla in its caudal end and it can also show a feather tuft. These feathers may have a raquis or not. The purpose of our study was to compare the number, dimensions and types of the tuft´s feathers in aquatic and ...
Chiale, Maria Cecilia, Montalti, Diego
core   +1 more source

Tracking Bacterial Pollution Sources in Stormwater Pipes [PDF]

open access: yes, 2003
The New Hampshire Department of Environmental Services (DES) conducted two rounds of wet weather sampling in the Hampton Harbor watershed during 2002.
Jones, Stephen H.
core   +2 more sources

Protected fish predator in a protected area: impact of the Great Cormorant (Phalacrocorax carbo L.) on fish populations in the Raszyńskie Ponds Nature Reserve (Central Poland)

open access: yesThe European Zoological Journal
The Raszyńskie Ponds Nature Reserve, established in 1978, is an ornithological reserve that provides key breeding, foraging, and resting habitats for water and marsh birds.
K. Karpińska   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy