نتایج جستجو برای: territorial boundaries

تعداد نتایج: 77594  

2017
Rowen van Eeden D. Philip Whitfield Andre Botha Arjun Amar

Understanding the ranging behaviours of species can be helpful in effective conservation planning. However, for many species that are rare, occur at low densities, or occupy challenging environments, this information is often lacking. The Martial Eagle (Polemaetus bellicosus) is a low density apex predator declining in both non-protected and protected areas in southern Africa, and little is kno...

Journal: :Molecular ecology 2006
Melissa L Thomas Christine M Payne-Makrisâ Andrew V Suarez Neil D Tsutsui David A Holway

Some species of ants possess an unusual form of social organization in which aggression among nests is absent. This type of social organization, called unicoloniality, has been studied in only a handful of species and its evolutionary origins remain unclear. To date, no study has examined behavioural and genetic patterns at points of contact between the massive supercolonies that characterize u...

2014
Laura Zanotti

One key strand of political ecology inquiry draws attention to different scalar aspects of territorial control and environmental governance, especially as they relate to inequity, power, and marginality in the rural South. Simultaneously, in the past several decades scholars have argued for a more meaningful engagement with space and place, as global forces of capitalism and geographies of diff...

Journal: :Circulation. Cardiovascular imaging 2012
J Scott McNally Seong-Eun Kim Hyo-Chun Yoon Laura K Findeiss John A Roberts Daniel R Nightingale Krishna K Narra Dennis L Parker Gerald S Treiman

BACKGROUND Carotid intraplaque hemorrhage has been associated with symptomatic stroke and can be accurately detected with magnetization-prepared rapid acquisition with gradient-echo (MPRAGE). Currently, there are no studies analyzing carotid MPRAGE signal and territorial ischemic events defined by diffusion restriction in the acute setting. Our aim was to determine the association of carotid MP...

2016
Petr Dostál

The paper examines the character of multipurpose territorial government and explores themeaning of frequent calls for more flexibility in the structures and functioning of local andregional governments. The paper elaborates on a number of starting points of debate concernedwith the shift from territorial government to territorial governance. Configurations of territorialgovernan...

2012
Bradley L. Williams

In the annals of federal-state relations, the Great Lakes are unique. Their waters variously constitute navigable waterways, state boundaries, an international boundary, and most important for our purposes, "the high seas." 1 The federal government and adjoining states assert concurrent criminal jurisdiction over offenses committed on Great Lakes waters• As one might expect, the legal fiction o...

Journal: :Behavioural processes 2015
M Eugenia Mosca Torres Silvia Puig Agustina Novillo Ramiro Ovejero

We conducted focal observations of vicuña, a year-around territorial mammal, to compare vigilance behaviour between territorial and bachelor males outside the reproductive season. We hypothesized that the time spent vigilant would depend on male social status, considering the potential effects of several variables: sampling year, group size, distances to the nearest neighbour and to a vega (mou...

Journal: :Journal of theoretical biology 2010
Martin Hinsch Jan Komdeur

Territorial behaviour can only be adaptive if its costs are outweighed by its benefits. Territorial individuals incur costs by defending their territories against intruders. Usually these intruders are assumed to be non-territorial floaters attempting to take over the whole territory or neighbours trying to extend the borders of their own territory. We instead investigate how costs and benefits...

2017
Lucie Vialard Clara Squiban Florence Fournet Gérard Salem Ellen E. Foley

This study contributes to the literature about the effects of space and place on health by introducing a socio-territorial approach to urban health disparities in West Africa. It explores how urban spaces, specifically neighbourhoods, are shaped by social and economic relations and strategies of territorial control. We examine the potential influence of socio-territorial processes on vulnerabil...

Journal: :Mutation research 2013
Helen A Foster Gemma Estrada-Girona Matthew Themis Elisa Garimberti Mark A Hill Joanna M Bridger Rhona M Anderson

It is well established that chromosomes exist in discrete territories (CTs) in interphase and are positioned in a cell-type specific probabilistic manner. The relative localisation of individual CTs within cell nuclei remains poorly understood, yet many cancers are associated with specific chromosome rearrangements and there is good evidence that relative territorial position influences their f...

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