Ecology is a subject of great debate today among scientists, governments, and the general public. Issues such as global warming and biodiversity require a mutual agreement among different groups of people. Many times these groups are separated by language, political interests, and culture. Environmental Information Systems need to integrate data from different Geographic Information Systems cau...

Geo-features play a key role in object-oriented or feature-based geo-processing system. So the strategy for how-tomanage and how-to-model the geo-features builds the main architecture of the entire system and also supports the efficiency and functionality of the system. Unlike the conventional 2D geo-processing system, geo-features in 3D GIS have lots to be considered to model regarding the eff...

Freeze-thaw damage of rocks is one significant natural causes for geo-hazards such as collapse and rockfall in alpine areas. To explore evolution granite a freeze-thaw environment, specimens Nyingchi Prefecture, Tibet, China were collected research objects. Saturated dry rock subjected to cyclic tests 0, 36, 72, 144 cycles the was analyzed by combining computed tomography (CT) scanning three-di...

Biodiversity of the genus Medicago in Iran was studied. Distribution of two perennial species M. sativa and M. lupulina mainly conforms to the mountainous regions of Iran. Among the other annual species of this genus, M. rigidula has the most similar distribution to the distribution of perrenial species in mountainous regions. Most species of Medicago (apart from M. sativa and M. lupulina) are ...

Agriculture in India faces challenges from multiple fronts: decline productivity, climate change and sustainability. Using drones farming contributes to sustainable agriculture terms of social, economic environmental dimensions. This article discusses the advantages adopting drone technology India. The are useful ways, such as, soil analysis for field planning, plant establishment, precision ap...

this research aims at studying challenges, difficulties and prospects of irans income distribution sector during 2005-2015 by means of an econometric model. the first part of the paper reviews some theories and empirical accomplishments regarding income distribution in national and international levels. the next part of the paper goes through the trends of income distribution and social welfare...

An argumentation map is an online discussion forum for spatially related topics that combines the forum with an interactive map. The utility of an argumentation mapping tool highly depends on the accuracy and quantity of the geo-tags that link the discussion contributions to geographic locations. These geo-tags can be created manually by the users of the argumentation map or automatically by a ...