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Reproductive biology of Pedicularis (Scrophulariaceae) in the Sichuan Himalaya
In 1997–1998, the reproductive biology of Pedicularis bidentata, Pedicularis cranolopha, Pedicularis davidii, Pedicularis longiflora var. hongyuanensis, Pedicularis longiflora ssp. tubiformis,Expand
  • 46
  • 5
Fractal characteristics of soil under ecological restoration in the agro‐pastoral transition zone of Northern China
Abstract Soil particle size distribution (PSD) is an important physical attribute due to its great influence on soil properties related to water movement, productivity, and soil erosion. In thisExpand
  • 4
Uniqueness and stability of positive steady state solutions for a ratio-dependent predator–prey system with a crowding term in the prey equation
Abstract This paper deals with a ratio-dependent predator–prey system with a crowding term in the prey equation, where it is assumed that the coefficient of the functional response is less than theExpand
  • 10
Change Analysis on Wetland Landscape Pattern along the Lower Yellow River
  • J. Zhang, Y. Wang
  • Environmental Science
  • 2nd International Conference on Remote Sensing…
  • 1 June 2012
The paper presents the dynamic change of wetland landscape pattern from 2002 to 2009 using RS and GIS technology along the lower Yellow River. Results show that: (1) the total area of wetland reducesExpand