نتایج جستجو برای: karst

تعداد نتایج: 4636  

Journal: :Cell 2007
Anosha D. Siripala Matthew D. Welch

Merlin *merlin/NF2 Merlin NFM-1 Protein 4.1 4.1R, G, N, B Coracle Spectrin α-spectrin (1–2), β-spectrin (1–4), β heavy-spectrin/ karst α-spectrin, β-spectrin, β heavyspectrin/Karst SPC-1 (α-spectrin), UNC-70 (β-spectrin), SMA-1 (β heavyspectrin) Cell-Cell Junctions α-catenin α-catenin 1–3 α-catenin HMP-1 Afadin afadin/AF6 Canoe AFD-1 ZO-1 ZO-1, ZO-2, ZO-3 ZO-1/Polychaetoid †Q56VX4 Cell-Extracel...

2013
Donald A. McFarlane Joyce Lundberg A. G. Fincham

(2002). "A late Quaternary paleoecological record from caves of southern Jamaica, West Indies." Journal of Cave and Karst Studies 64(2): 117-125.

ژورنال: :پژوهشهای جغرافیای طبیعی 2010
مهران مقصودی حاجی کریمی فرشاد صفری ذبیح الله چهارراهی

massif of parav-bistoun covered around 880 square kilometers of the thrust zone of zagros mountains and located in kermanshah province. there are various kinds of karst landforms such as jamas, uvulas', dolines, caves in this mountainous area. these landforms are under the influence of palaeoclimatic conditions. nowadays, current climatic conditions in this area allows for development of karst ...

2007
OGNJEN BONACCI DAVOR BOJANIC Ognjen Bonacci Davor Bojanic

Rhythmic springs (ebb and flow springs, intermittent springs, potajnice) belong to the group of springs which appear exclusively in karstified terrains. The paper describes various types of rhythmic springs and gives their classification. It also develops a mathematical model for the functioning of this type of springs based on the principle of recharge and emptying of the underground reservoir...

2014
Zhonghua Zhang Baoqing Hu Gang Hu

This study evaluates the spatial heterogeneity of the soil chemical properties of surface soils across a 1 ha old-growth subtropical karst forest in southwest China.

2016
Fujing Pan Yueming Liang Wei Zhang Jie Zhao Kelin Wang

In karst ecosystems, a high level of CaCO3 enhances the stabilization of soil organic matter (SOM) and causes nitrogen (N) and/or phosphorus (P) limitation in plants. Oxalic acid has been suggested to be involved in the nutrient-acquisition strategy of plants because its addition can temporarily relieve nutrient limitation. Therefore, understanding how oxalic acid drives N availability may help...

2009
JUSTIN E. BIRDWELL

Most cave and karst ecosystems are believed to be dependent on an influx of allochthonous organic carbon. Although microbes are largely responsible for the fate of dissolved organic matter (DOM) in karst, the role of microbes in chemosynthetic (autochthonous) production and processing of DOM has received limited attention. Chromophoric dissolved organic matter (CDOM) is the fraction of DOM that...

2016
T. McCormack O. Naughton P. M. Johnston L. W. Gill

Nutrient contamination of surface waters and groundwaters is an issue of growing importance as the risks associated with agricultural run-off escalate due to increasing demands on global food production. In this study, the influence of surface water–groundwater interaction on the nutrient flux in a lowland karst catchment was investigated with the aid of alkalinity sampling and a hydrological m...

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