نتایج جستجو برای: karst development k

تعداد نتایج: 1772307  

2014
Jie Zhao Shengping Li Xunyang He Lu Liu Kelin Wang

Karst ecosystems are fragile and are in many regions degraded by anthropogenic activities. Current management of degraded karst areas focuses on aboveground vegetation succession or recovery and aims at establishing a forest ecosystem. Whether progressive succession of vegetation in karst areas is accompanied by establishment of soil biota is poorly understood. In the present study, soil microb...

2005
G. Casagrande

In a mature karstic system, the realisation of galleries using the methodology of railway tunnel boring machine (TBM) involves particular problems due to the high risk of interference with groundwater (often subject to remarkable level variations) and with cavities and/or thick fill deposits. In order to define groundwater features it is necessary to investigate both hydrodynamic and karstifica...

2017
Mateja Lumpert Samo Kreft

BACKGROUND Information on the use of medicinal plants in Karst and Gorjanci is not available in the literature, but collection of plants is still an important and widespread practice in these regions. Karst and Gorjanci are two remote regions in Slovenia that are only 120 km apart but have different climates; one region is close to the Italian border, and the other is near the Croatian border. ...

2017
G. Casagrande F. Cucchi L. Zini

In a mature karstic system, the realisation of galleries using the methodology of railway tunnel boring machine (TBM) involves particular problems due to the high risk of interference with groundwater (often subject to remarkable level variations) and with cavities and/or thick fill deposits. In order to define groundwater features it is necessary to investigate both hydrodynamic and karstifica...

2009
Yuemin Yue Kelin Wang Bo Liu Bing Zhang Ru Li Quanjun Jiao Yizun Yu

As band widths are narrow and range of spectra is wide, subtle differences in spectral features can be extracted and used for mapping physical and chemical properties of bare substrate with imaging spectroscopy. However, the use of spectral characteristics of substrates is not accessible if substrate was covered by vegetation. In this study, we explored the feasibility of extracting karst ecoen...

ژورنال: آبخیزداری ایران 2020

Study of karstic rocks properties, understanding teh chemical and physical properties TEMPhas a special place in resent researches. By understanding of teh properties mentioned such as Bulk density, Porosity, coefficient of solubility, solubility rate … can be evaluated for karst development in teh soluble rocks. Teh purpose of dis study is teh assessment of seasonal variations of teh solute an...

2011
D. M. Amatya M. Jha A. E. Edwards T. M. Williams D. R. Hitchcock

SWAT is a GIS-based basin-scale model widely used for the characterization of hydrology and water quality of large, complex watersheds; however, SWAT has not been fully tested in watersheds with karst geomorphology and downstream reservoir-like embayment. In this study, SWAT was applied to test its ability to predict monthly streamflow dynamics for a 1,555 ha karst watershed, Chapel Branch Cree...

2016
Yuan Yun Hongmei Wang Baiying Man Xing Xiang Jianping Zhou Xuan Qiu Yong Duan Annette S. Engel

Enhanced monsoon duration and soil acidification from acid rain are expected to impact the distribution of microbial communities in surface and subsurface environments, although these impacts are poorly understood for most systems. In central China, soluble carbonate bedrock forms extensive karst landscapes. Current predictions are that the amount of monsoonal precipitation and acid rainfall in...

Journal: :American journal of primatology 2007
Andrew J Marshall Leonardo A Salas Suzette Stephens Linda Engström Erik Meijaard Scott A Stanley

The Indonesian province of East Kalimantan is home to some of the largest remaining contiguous tracts of lowland Dipterocarp forest on the island of Borneo. Nest surveys recently conducted in these forests indicated the presence of a substantial population of Eastern Bornean orangutans (Pongo pygmaeus morio) in the Berau and East Kutai regencies in the northern half of the province. The Sangkul...

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