Results 31 to 40 of about 225 (143)

Roosting Colony of Cormorants (Phalacrocorax Carbo Sinensis L.) as a Source of Nutrients for the Lake

open access: yesLimnological Review, 2015
Since 2005, great cormorants have been observed on the Lake Góreckie (Wielkopolski National Park) shoreline. The population of these birds occurring within the lake has gradually increased. In autumn 2008, more than 100 individuals were observed.
Piotr Klimaszyk   +2 more
doaj   +1 more source

Changes in physico-chemical conditions and macrophyte abundance in a shallow soft-water lake mediated by a Great Cormorant roosting colony

open access: yesJournal of Limnology, 2014
This study examined the effects of the Great Cormorant (Phalacrocorax carbo sinensis L.) roosting colony on the physico-chemical conditions and macrophyte abundance in a shallow soft-water lobelia lake. We compared data collected in 1998 and 2009, before
Piotr Klimaszyk   +2 more
doaj   +1 more source

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

CORMORANT (Phalacrocorax carbo sinensis) AND DAMAGES ON FISH STOCK CAUSED BY CORMORANT HYPER POPULATION [PDF]

open access: yesCroatian Journal of Fisheries, 2002
The results of recent foreign and domestic investigations on the damages found on the fish stock of cyprinid ponds and rivers caused by hyper population of cormorants are presented.
Krešimir Pažur
doaj  

Avian influenza overview October 2016–August 2017

open access: yesEFSA Journal, Volume 15, Issue 10, October 2017., 2017
Abstract The A(H5N8) highly pathogenic avian influenza (HPAI) epidemic occurred in 29 European countries in 2016/2017 and has been the largest ever recorded in the EU in terms of number of poultry outbreaks, geographical extent and number of dead wild birds.
European Food Safety Authority   +13 more
wiley   +1 more source

Automatic classification of bird species related to power line faults using deep convolution features and ECOC‐SVM model

open access: yesIET Generation, Transmission &Distribution, Volume 18, Issue 19, Page 3138-3149, October 2024.
This article presents a method for automatic recognition of bird species related to power line faults, combining image denoising using denoising convolutional neural network, feature extraction by DarkNet‐53, and multi‐classification by the error‐correcting output codes support vector machine model.
Zhibin Qiu, Zhibiao Zhou, Zhoutao Wan
wiley   +1 more source

Levels of Polycyclic Aromatic Hydrocarbons, Polychlorinated Biphenyls, and Organochlorine Pesticides in Various Tissues of White‐Backed Vulture in India

open access: yesBioMed Research International, Volume 2013, Issue 1, 2013., 2013
This study provides information on the current status of contamination by polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and organochlorine pesticides (OCPs) in the tissues of endangered White‐backed Vulture Gyps bengalensis in India. Chemical analyses revealed detectable amounts of PAHs, PCBs, and OCPs. Concentration ranges
V. Dhananjayan   +2 more
wiley   +1 more source

Development of great cormorant population (Phalacrocorax carbo sinensis) in North-East France – synthesis of long term monitoring (1997–2008)

open access: yesKnowledge and Management of Aquatic Ecosystems, 2011
Since 1997, the North-east inter-regional delegation of the French National Institute for Water and Aquatic Ecosystems (ONEMA) has been running annual networked monitoring of the great cormorant (Phalacrocorax carbo sinensis ...
Collas M., Burgun V.
doaj   +1 more source

Status, Distribution, and Diversity of Birds in Mining Environment of Kachchh, Gujarat

open access: yesInternational Journal of Biodiversity, Volume 2013, Issue 1, 2013., 2013
Opencast mining is one of the major reasons for the destruction of natural habitats for many wildlife including birds. The Kachchh region belongs to the arid part of India and is one of the rich areas of mineral resources in the country. In the recent time and after the 2001 earthquake, mining and other developmental activities are increased, and as a ...
Nikunj B. Gajera   +3 more
wiley   +1 more source

The importance of Northern Dobrogea in the migration of Great Cormorant (Phalacrocorax carbo) [PDF]

open access: yesScientific Annals of the Danube Delta Institute, 2009
The Great Cormorants breeding and migrating through Dobrogea belong to the Phalacrocorax carbo sinensis subspecies. It is the subspecies with the most migratory populations out of the 12 subspecies ofGreat Cormorant.
SÁNDOR D. Attila   +2 more
doaj  

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