Understanding animal movement is a key challenge in ecology and conservation biology. Relocation data often represent a complex mixture of different movement behaviors, and reliably decomposing this mix into its component parts is an unresolved problem in movement ecology. Traditional approaches, such as composite random walk models, require that the timescales characterizing the movement are a...

In business analysis, a special emphasis is placed on “gazelles”, companies that grow by at least 20% per year for several years (usually four). While this 20% threshold is somewhat supported by empirical research, from the theoretical viewpoint, it is not clear what is so special about this value. In this paper, we provide a possible explanation for this empirical fact. 1 Formulation of the Pr...

varied from 10.7 gazelles km−2 in spring to 11.5 gazelles km−2 in autumn, with total population estimates of 803,820 (483,790–1,330,100 95% confidence interval) and 870,625 (499,432–1,491,278 95% confidence interval), respectively. Confidence limits were wide, and to obtain a coefficient of variation of 20%, transect lengths would need to be extended threeto four-fold. Until more efficient mean...

Yeakel et al. (1) find that wild mammal extinction in ancient Egypt during the Holocene was nonrandom and coincided with abrupt climatic changes and a local cultural collapse. The authors provide compelling evidence that the deterioration of the natural Egyptian ecosystem gradually progressed during the Holocene. The extinction patterns provided vividly show that decreasing predator and prey (u...

Bu çalışmada, ceylanda (Gazella subgutturosa) Trueperella pyogenes ve Candida albicans'la ilişkili nekrotik-purulent bronkopnömoni parasitik pnömoninin makroskobik, histopatolojik bakteriyolojik bulgularını sunulmaktadır. Şanlıurfa Kızılkuyu Yaban Hayatı Koruma Alanı'nda ölü bulunan 2 erkek ceylan; nekropsi için Harran Üniversitesi Veteriner Fakültesi Patoloji Anabilim Dalı'na getirildi. Nekrop...

Persian gazelle, Gazella subgutturosa, exists throughout arid and semiarid regions of Iran and has a key role in these frail ecosystems. Habitat degradation and population decline has placed it on the list of vulnerable species in 2008. The phylogenetic relationships of three Persian gazelle populations in the central part of Iran (i.e. Ghamishlou National Park and Wildlife Refuge, Mouteh Wildl...