Results 51 to 60 of about 1,667 (176)
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
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
Avian piscivores: basis for policy. [PDF]
In Britain, many birds eat fish in fresh waters but only three species, cormorant, red-breasted merganser and goosander, are commonly perceived to present serious problems for freshwater fisheries. Complaints are mainly that cormorants eat large fish and
Carss, D.N., Marquiss, M.
core
Status, Distribution, and Diversity of Birds in Mining Environment of Kachchh, Gujarat
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
Phalacrocorax carbo sinensis in Europe – indigenous or introduced?
Sincemany years now it is rumoured that the inland European cormorant Phalacrocorax carbo sinensis was introduced by Dutchmen from China to Holland in the 16th century to perform cormorant fishing in Europe and thus has to be classified an Invasive Alien Species (IAS).
openaire +2 more sources
Perch height predicts dominance rank in birds [PDF]
Dominant individuals within animal groups will frequently place themselves in the most beneficial position for maximal protection against predation, and for foraging benefits.
Butler, Patrick +4 more
core +1 more source
Phenology and flock size of migrating Great Cormorants (Phalacrocorax carbo) during autumn migration in central North Rhine-Westphalia [PDF]
Während über Brutbestandsentwicklung und Phänologie rastender Kormorane viel bekannt ist, gibt es kaum Angaben zum aktiven Zug der Art abseits der Küsten.
Hegemann, Arne
core
Attitudes Toward Managing a Fish-Eating Predator, the Great Cormorant, in a Coastal Environment
The population of the continental race of the great cormorant (Phalacrocorax carbo sinensis) has significantly increased over the last few decades due to legal protection.
Vasilios Liordos +4 more
doaj +1 more source
Ökande antal övervintrande mellanskarvar Phalacrocorax carbo sinensis i Öresund
The Cormorant of the subspecies Phalacrocorax carbo sinensis has increased markedly in north-western Europe during the last decades. Most of the sinensis breeding in northern Europe migrate south in autumn with most birds wintering in the Mediterranean including the coast of North Africa.
openaire +1 more source
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

