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2007

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Articles 61 - 75 of 75

Full-Text Articles in Other Animal Sciences

Turkmenian Kulan (Equus Onager Kulan) Captive Population, Anna Mekarska Jan 2007

Turkmenian Kulan (Equus Onager Kulan) Captive Population, Anna Mekarska

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

The Turkmenian kulan (Equus onager kulan) is critically endangered, fewer then 1,500 animals are left in the wild. In 2004, there were additional 570 Turkmenian kulans living in captivity: 156 specimens in Euro-Asian zoos, 83 in Askania Nova Reserve and 331 in Canyon Colorado Equid Sanctuary. Population size in EAZA region is decreasing both in terms of numbers and genetic parameters. Those facts underline the urgent need for coordinating development of Eurasian kulan’s captive population. From 2004 onwards, large efforts to create healthy breeding groups in zoos raised bigger interest in this species in European zoos.


Identification Of Herder-Wild Equid Conflicts In The Great Gobi B Strictly Protected Area In Sw Mongolia, Petra Kaczensky, N. Enkhsaihan, O. Ganbaatar, Christian Walzer Jan 2007

Identification Of Herder-Wild Equid Conflicts In The Great Gobi B Strictly Protected Area In Sw Mongolia, Petra Kaczensky, N. Enkhsaihan, O. Ganbaatar, Christian Walzer

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

In protected areas of Mongolian overgrazing, competition with wild ungulates and poaching are important management concerns. The Great Gobi B Strictly Protected Area (SPA) in SW Mongolia is a re-introduction site for the Przewalski’s horse (Equus ferus przewalskii), a stronghold of the Asiatic wild ass (Equus hemionus), and remains an important grazing area for seminomadic herders. We show the power of simple inventory and monitoring methods to assess herder-wildlife conflicts, by combining data of: (1) human and livestock demographic data, (2) migration patterns, of semi-nomadic herders, (3) monthly surveys of wild- and domestic ungulates, and (4) …


Biodiversity In Space And Time: Towards A Grid Mapping For Mongolia, Michael Stubbe, Annegret Stubbe, Henrik Von Wehrden, Nayamsuren Batsaikhan, Ravčigijn Samjaa Jan 2007

Biodiversity In Space And Time: Towards A Grid Mapping For Mongolia, Michael Stubbe, Annegret Stubbe, Henrik Von Wehrden, Nayamsuren Batsaikhan, Ravčigijn Samjaa

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

In the future, grid mapping of animal and plant organisms will also play a major role in Mongolia. Based on geographical coordinates, a grid with a resolution of 100 x 100 km was created, which contained 561 cells. Methods and level of current understanding are exemplified by means of two raptors and three mammal species. This establishes a basis for an initial project, which will summarize all breeding occurrences of raptors based on all records, publications, or diary notes. For the first time, the short toed eagle was verified in Mongolia as a breeding bird in 2004. By 2006, ten …


Kiangs (Equus Kiang, Moorcroft 1841) In Sikkim, India, Natalia V. Paklina, Chris Van Orden Jan 2007

Kiangs (Equus Kiang, Moorcroft 1841) In Sikkim, India, Natalia V. Paklina, Chris Van Orden

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

Between the 5th and 10th of March 2001 we completed a 450 km route by car in Northern Sikkim. During the trip along the southern slopes of the Himalayas and Sikkim Plateau we didn’t see a single kiang. According to the local people and military personnel in Sikkim, kiangs are known only in the outer limits of the Sikkim Plateau, where wild animals have a possibility to migrate free over the Chinese-Indian border. In winter only small groups of kiang incidentally come to the Sikkim Plateau from South Tibet. But in May more of them come there and …


Current Status Of The Khulan (Equus Hemionus) In The Trans-Altai Gobi, Enkhbileg Dulamtseren, Adiya Yadamjav, Dovchindorj Ganbold, Mijidorj Batmunkh Jan 2007

Current Status Of The Khulan (Equus Hemionus) In The Trans-Altai Gobi, Enkhbileg Dulamtseren, Adiya Yadamjav, Dovchindorj Ganbold, Mijidorj Batmunkh

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

Since 1975, 25 wildlife surveys have been conducted in the Trans-Altai Gobi. In this paper we summarize results from the last 11 surveys, conducted between October 2000 and April 2005, and discuss our findings together with results from previous surveys.


Carl Hagenbeck Und Die Przewalskipferde, Klaus Gille, Stephan Hering-Hagenbeck Jan 2007

Carl Hagenbeck Und Die Przewalskipferde, Klaus Gille, Stephan Hering-Hagenbeck

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

First paragraph:

Was den unmittelbaren Anstoß für CARL HAGENBECK gab, 1901 den Import von Przewalskipferden zu initiieren, ist nicht bekannt. In seiner Autobiographie „Von Tieren und Menschen“ (1908) verweist er selbst auf eine Anregung durch den Herzog von BEDFORD (S. 212), die ihn zu diesem Unternehmen bewogen habe.


Assessment Of Non-Metric Skull Characters And Age Determination In The Asiatic Wild Ass Equus Hemionus: A Methodological Approach, Hermann Ansorge, Annegret Stubbe, Nyamsuren Batsaikhan, Ravčigijn Samjaa, Michael Stubbe Jan 2007

Assessment Of Non-Metric Skull Characters And Age Determination In The Asiatic Wild Ass Equus Hemionus: A Methodological Approach, Hermann Ansorge, Annegret Stubbe, Nyamsuren Batsaikhan, Ravčigijn Samjaa, Michael Stubbe

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

The report presents the first information on the use of non-metric skull characters and age determination by tooth section for Asiatic wild asses. It was initiated by a collection of more than 400 skulls of the Asiatic wild ass from the Bordzongijn-Gobi 2002-2004. The methodological overview gives a first research prospect in Asiatic Wild Ass concerning the use of non-metric skull characters as a morphological tool for assessing genetic variability, determining epigenetic divergences and evaluating fluctuating asymmetry. The time course of tooth eruption and replacement in the Asiatic wild ass is described with regard to its use for age determination. …


Territorial Behaviour Of Kiang (Equus Kiang Moorcroft, 1841) In Ladakh (India), Natalia V. Paklina, Chris Van Orden Jan 2007

Territorial Behaviour Of Kiang (Equus Kiang Moorcroft, 1841) In Ladakh (India), Natalia V. Paklina, Chris Van Orden

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

The observations of kiang behavior were made in Navokar Valley northeast of Tso Kar Lake (Ladakh, India) between July 30 and November 22, 2001. In the breeding season (end of July until the end of August) adult kiang males kept not overlapping, protected territories (about 10 km2), and marked by single defecation and urination marks. There were adult females with and without offspring on the territories (up to 12 animals, including the male). The distance between male and females on the territories was usually hundred times bigger, then a distance between stallion and his harem in horses. Females …


Semi-Wild Population Of Kulans In The Bukhara Breeding Centre And Their Co-Habitation With Przewalski’S Horses, Karim Bahloul, Olga B. Pereladova, Natalia V. Soldatova, Ekaterina V. Sidorenko, Antoine J. Sempere Jan 2007

Semi-Wild Population Of Kulans In The Bukhara Breeding Centre And Their Co-Habitation With Przewalski’S Horses, Karim Bahloul, Olga B. Pereladova, Natalia V. Soldatova, Ekaterina V. Sidorenko, Antoine J. Sempere

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

Asiatic wild asses and Przewalski's horses initially inhabited steppe, semi-desert and desert areas, but Przewalski's horses became extinct in the wild, and kulans are under threat of disappearance. The Bukhara Breeding Centre (Uzbekistan) was created in 1976 for conservation and reintroduction of wild ungulate species. In 1977-1978, five kulans (two males and three females) from Barsa-Kelmes Island on the Aral lake were introduced to the reserve. The group increased to 25-30 animals in 1995-1998, when five Przewalski's horses from Moscow and St. Petersburg zoos were introduced to the same territory. We analyzed the home ranges, preferred habitats and social interactions …


Social Networks In Wild Asses: Comparing Patterns And Processes Among Populations, Daniel I. Rubenstein, Siva Sundaresan, Ilya Fischhoff, David Saltz Jan 2007

Social Networks In Wild Asses: Comparing Patterns And Processes Among Populations, Daniel I. Rubenstein, Siva Sundaresan, Ilya Fischhoff, David Saltz

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

Asiatic wild asses inhabit some of the most arid environments in the world. All live in fissionfusion societies, but demography varies and the deserts in which they live often differ in subtle ways. Characterizing details of social structure of wild ass populations has been a challenge and has made it difficult to determine causes and consequences of any differences that might exist. We use network theory to compare the social structures of two populations of Asiatic asses/ onagers inhabiting the Negev desert, Israel and khur of the Little Rann of Kuch, India and show that populations differ in important structural …


An Overview On The State Of Equus Hemionus In Whole China, Weikang Yang Jan 2007

An Overview On The State Of Equus Hemionus In Whole China, Weikang Yang

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

The wild ass in China is divided into two species: Gobi khulan (Equus hemionus) and kiang (Equus kiang). Maps and charts of the distribution and population sizes in China and Mongolia of each species are shown from the 1980s through the early 2000s.


Effect Of Age And Tissue Weight On The Cadmium Concentration In Pacific Oysters (Crassostrea Gigas), Rosalee S. Hellberg, Michael T. Morrissey, Dan Cheney Jan 2007

Effect Of Age And Tissue Weight On The Cadmium Concentration In Pacific Oysters (Crassostrea Gigas), Rosalee S. Hellberg, Michael T. Morrissey, Dan Cheney

Food Science Faculty Articles and Research

This study investigated the influence of age and tissue weight on cadmium (Cd) levels in Pacific oysters (Crassostrea gigas). Oysters from 4 different age groups (1, 2, 3, and 4 y) were collected at an oyster farm in Willapa Bay, Washington. To examine the effects of age, 60 oysters from each group were sorted into 3 composites of 20, and Cd analysis was carried out on all composite samples. To study the effects of tissue weights, 25 oysters from each of the 4 age groups were collected and analyzed individually for Cd. All oyster Cd concentrations were below …


Distribution And Conservation Genetics Of The Cow Knob Salamander, Plethodon Punctatus Highton (Caudata: Plethodontidae), Matthew R. Graham Jan 2007

Distribution And Conservation Genetics Of The Cow Knob Salamander, Plethodon Punctatus Highton (Caudata: Plethodontidae), Matthew R. Graham

Theses, Dissertations and Capstones

Being lungless, plethodontid salamanders respire through their skin and are especially sensitive to environmental disturbances. Habitat fragmentation, low abundance, extreme habitat requirements, and a narrow distribution of less than 70 miles in length, makes one such salamander, Plethodon punctatus, a species of concern (S1) in West Virginia. To better understand this sensitive species, day and night survey hikes were conducted through ideal habitat and coordinate data as well as tail tips (10 to 20 mm in length) were collected. DNA was extracted from the tail tips and polymerase chain reaction (PCR) was used to amplify mitochondrial 16S rRNA gene fragments. …


Similar Levels Of X-Linked And Autosomal Nucleotide Variation In African And Non-African Populations Of Drosophila Melanogaster, Nadia D. Singh, J. Michael Macpherson, Jeffrey D. Jensen, Dmitri A. Petrov Jan 2007

Similar Levels Of X-Linked And Autosomal Nucleotide Variation In African And Non-African Populations Of Drosophila Melanogaster, Nadia D. Singh, J. Michael Macpherson, Jeffrey D. Jensen, Dmitri A. Petrov

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Background: Levels of molecular diversity in Drosophila have repeatedly been shown to be higher in ancestral, African populations than in derived, non-African populations. This pattern holds for both coding and noncoding regions for a variety of molecular markers including single nucleotide polymorphisms and microsatellites. Comparisons of X-linked and autosomal diversity have yielded results largely dependent on population of origin.

Results: In an attempt to further elucidate patterns of sequence diversity in Drosophila melanogaster, we studied nucleotide variation at putatively nonfunctional X-linked and autosomal loci in sub-Saharan African and North American strains of D. melanogaster. We combine our experimental …


Alcohol-Induced Suppression Of Gluconeogenesis Is Greater In Ethanol Fed Female Rat Hepatocytes Than Males, Ken D. Sumida, Alma A. Cogger, Aleksey V. Matveyenko Jan 2007

Alcohol-Induced Suppression Of Gluconeogenesis Is Greater In Ethanol Fed Female Rat Hepatocytes Than Males, Ken D. Sumida, Alma A. Cogger, Aleksey V. Matveyenko

Physical Therapy Faculty Articles and Research

The impact of alcohol-induced suppression on hepatic gluconeogenesis (HGN) after chronic ethanol consumption between males and females is unknown. To determine the effects of chronic alcohol consumption (8 weeks) on HGN, the isolated hepatocyte technique was used on 24 h fasted male and female Wistar rats. Livers were initially perfused with collagenase and the hepatocytes were isolated. Aliquots of the cell suspension were placed in Krebs-Henseleit buffer and incubated for 30 min with lactate, [U-C-14]lactate, and nine different concentrations of ethanol (EtOH). Dose-effect curves were generated for the determination of maximal and half-maximal alcohol-induced inhibition on HGN. There was no …