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- W2389093225 abstract "Whether the species diversity (SD) in natural ecosystem varies with functional diversity (FD) and consequently affects the primary productivity is still an open question. In this paper,a field grazing experiment was conducted on an alpine Kobresia humilis meadow to study the effects of SD and FD on the primary productivity of the ecosystem. Four habitats with different grazing intensity and soil nutrient availability were selected,i.e.,pen pasture with heavy grazing intensity and highest nutrient availability,pass pasture with moderate grazing intensity and moderate nutrient availability,artificial pasture with light-moderate grazing intensity and lower nutrient availability,and un-grazed pasture with null grazing intensity and lowest nutrient availability. Among the test habitats,pass pasture had the highest SD,which fitted intermediate disturbance hypothesis. Artificial pasture had low SD but the highest FD,while un-grazed pasture had higher SD and FD. There was a positive relationship between SD and primary productivity but a negative relationship between FD and primary productivity,suggesting that FD didn’t vary with SD,and,to a definite extent,both SD and FD could affect the primary productivity independently. Habitat resources,species characteristics,grazing history,and grazing intensity affected the community’s primary productivity and biodiversity in an integrative way." @default.
- W2389093225 created "2016-06-24" @default.
- W2389093225 creator A5083443331 @default.
- W2389093225 date "2009-01-01" @default.
- W2389093225 modified "2023-09-23" @default.
- W2389093225 title "Effects of species diversity and functional diversity on primary productivity of alpine meadow" @default.
- W2389093225 hasPublicationYear "2009" @default.
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