Characterisation of locoweeds and their effect on livestock production in the western rangelands of China: a review

Author:

Lu Hao,Cao Dan Dan,Ma Feng,Wang Shan Shan,Yang Xiao Wen,Wang Wen Long,Zhou Qi Wu,Zhao Bao Yu

Abstract

The rangelands of China are an important resource for livestock production, and play a strategic role in maintaining ecosystems and protecting the living environment of humans. Drought, overgrazing, infrastructure development, insufficient investment and poor management of rangelands have led to the invasion and spread of poisonous weeds in these rangelands in recent years. The rapid spread of poisonous weeds over the last few decades have caused a series of ecological problems, including a decrease in biological diversity and consequent desertification, and they are seriously affecting the ecological balance of rangelands, and the sustainable livestock production. Locoweeds, which belong to the genera Oxytropis and Astragalus, are an important species of poisonous legumes in the western rangelands of China, causing large economic losses. This review summarises the species and their ecological distribution, the toxic ingredients, the poisoning mechanism of locoweeds and damage control techniques for locoweeds. It attempts to highlight certain issues relating to research on locoweeds and how they are being tackled in order to understand the significance of locoweeds in preserving ecosystem diversity and the steps that require to be taken to control the spread of locoweeds in the western natural rangeland of China.

Publisher

CSIRO Publishing

Subject

Ecology,Ecology, Evolution, Behavior and Systematics

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