We compared the field metabolic rate (FMR) and behavior around sugar-water feeders of sympatric territorial and non-territorial hummingbirds in the Chiricahua Mountains of southeastern Arizona during July 1987 and 1989. The territorial species was the Blue-throated Hummingbird (Lampornis clemenciae; mean mass 8.77 g) and the non-territorial species the Black-chinned Hummingbird (Archilochus ale...

The territorial dimension has been gaining greater prominence on the EU agenda. Traditionally underestimated, despite the fact that the implementation of EU funds is referenced to specific territorial units, the construction of a systemized knowledge on European territorial reality was intensified in the first decade of this century and became official with the approval of the Treaty of Lisbon ...

Habitat use by the Little Blue Heron (Egretta caerulea) and discovery of feeding territoriality are discussed here. The results showed the existence of a territorial individual defending an area (2,564.46 +/- 943.56 m(2)) close to the mangrove, and non-territorial individuals (9.17 +/- 2.54) in the rest of a demarcated area (mean area for the non-territorial: 893.25 +/- 676.72). A weak positive...

Nowadays, given different definitions and conceptions on development, territorial planning lends to for various economic, social and geographical aspects, however its defensive and security perspectives have been taken into account to less extent. The present research is aimed to specify passive defense legal requirements in Territorial planning through outlining the most important rules on pas...

introduction as a dynamic phenomenon, boundary is one of the basic issues in political geography and geopolitics. it is not a geographical and fixed phenomenon; rather, it has its own internal dynamic features, creates new realities, and affects the lives of people and groups living in its vicinity. different types of boundaries, such as political, social, economic, and virtual can be impenetra...

With broad lines and dark shading, the cartographic depictions of ancient states and empires convey the impression of comprehensive political entities having firm boundaries and uniform territorial control. These depictions oversimplify the complexities of early state growth, as well as overstating the capacity of central governments to control large territories. Archaeological and textual evid...

With Nordregio research as a strong basis, each issue will provide multiple perspectives on a specific theme of regional development. In this first issue of Nordregio News we aim to provide a better understanding of the ongoing discussion on the future European Territorial Cohesion policy; and specifically the role of the Territorial Agenda of the European Union 2020 (TA 2020). The TA 2020 was ...

The article substantiates the need to update data of land cadastral information in effective management land-territorial complex communities Ukraine. rights and obligations territorial use resources within their boundaries have been established. legal framework is considered, on basis which right dispose state-owned lands formed. problems faced by newly formed are analyzed. Priority steps for a...

We explore states’ decisions to escalate disputes over their territorial claims or settle them peacefully. We complement existing arguments by accounting for the fact that states are often simultaneously entangled in multiple territorial claims. We build on previous scholarship in positing that two states involved in a territorial dispute will act based on information they glean from each other...