Results 41 to 50 of about 750,789 (193)

Grey Systems Analysis

open access: yes
This open access book is the 2nd edition involving the update on data, methods and models of Grey Systems. It covers up-to-date theoretical and applied advances in grey systems from across the world, and vividly presents the reader with the overall ...
Liu, Sifeng
core   +1 more source

SEROSURVEILLANCE OF AVIAN INFLUENZA VIRUS SUBTYPE H5N1 WITH HAEMAGGLUTINATION-INHIBITION ON WILD AQUATIC BIRDS IN PULAU DUA SERANG NATURAL RESERVES, BANTEN PROVINCE

open access: yesMakara Seri Sains, 2011
Further detailed research is required to obtain deeper information on the role of wild birds on the distribution of Avianinfluenza in Asia. A research has been carried out on February–June 2007 focused on blood sampling (serosurveillance)of wild birds in
Sri Murtini   +4 more
doaj  

A detailed evaluation of the skeletal elements of the skull in the grey heron (Ardea cinerea)

open access: yesTURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES, 2014
This study was designed to reveal, in detail, the features of the skull bones in the grey heron, a species of the family Ardeidae, and to compare the findings with previous related literature reports and with Nomina Anatomica Avium. The articulation between the nasal and frontal bones was observed to be through the movable frontonasal joint.
Atalgın, Şükrü Hakan   +2 more
openaire   +8 more sources

Observation of the grey heron (Ardea cinerea) and the great egret (Ardea alba) in the territory of Lviv and Cherkasy regions during the winter period

open access: yesБіологія тварин
The article provides brief information on observations of grey herons (Ardea cinerea) and great egrets (Ardea alba) in the Lviv and Cherkasy regions during winter.
K. Krempa, V. Zhulenko
doaj   +1 more source

Zimujúce vodné vtáky na Váhu v regióne Liptova (severné Slovensko) / Wintering waterbirds on Váh River in the region of Liptov (N Slovakia) [PDF]

open access: yesTichodroma, 2016
Altogether 23 species of waterbirds were registered during the middle of January in 2009–2016 on Váh River in Liptov region (northern Slovakia). Neither total number of species nor number of birds correlated with the temperature (free or frozen water ...
Michal BALÁŽ
doaj  

Modelling the feeding behavior of Grey Heron (Ardea cinerea) in a coastal wetland of NW Iberian peninsula during the wintering season

open access: yesAnimal Biodiversity and Conservation, 2012
Modelado del comportamiento trófico de la garza real (Ardea cinerea) en un humedal costero del NO ibérico durante el periodo invernal Para mejorar el conocimiento de la estrategia de forrajeo de la garza real en una zona intermareal se obtuvieron ...
A. Regós
doaj   +3 more sources

The development of a breeding population of grey herons (Ardea Cinerea) in the Camargue

open access: yesLa Terre et La Vie, Revue d'Histoire naturelle, 1975
The Camargue is the breeding ground of eight European breeding species of Ardeidae, Cattle Egret and Grey Heron being the most recent additions to the list. Grey Herons were first discovered breeding in 1964, but only established themselves as a breeding population in 1968.
openaire   +3 more sources

Per- and polyfluoroalkyl substances in feathers of waterbirds (Ardeidae) from Poyang Lake, China: Bioaccumulation, distribution, and environmental relevance

open access: yesJournal of Hazardous Materials Letters
Studies on the distribution characteristics and environmental relevance of per- and polyfluoroalkyl substances (PFAS) in waterbird feathers are scarce. In the present study, the concentrations of twenty-three PFAS in the remiges, coverts, body, down, and
Nannan Wan   +8 more
doaj   +1 more source

Prima nidificazione del marangone minore Phalacrocorax pygmaeus nella Riserva Naturale Regionale Ripa Bianca di Jesi (Ancona)

open access: yesAvocetta, 2010
The Regional Nature Reserve “Ripa Bianca” near Jesi (Ancona, Italy), managed by WWF Italia, is characterized by a mixed forest on the banks of an artificial lake.
Pierfrancesco Gambelli   +4 more
doaj   +1 more source

Molecular surveillance of avian influenza A (H5N6) virus in Quangbinh province, Vietnam

open access: yesBulgarian Journal of Veterinary Medicine, 2023
The haemagglutinin (HA) gene of highly pathogenic (HP) avian influenza H5Nx viruses (AIVs) has undergone continuous evolution, generating emerging reassorted subtypes and clades.
H. M. Pham, K. H. Pham, Kh. V. Nguyen
doaj   +1 more source

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