Effects of Wild Giant Panda Eating Behaviours on Crude Ash and Dry Matter Content of Arundinaria spanostachya
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摘要: 通过对大熊猫采食后峨热竹粗灰分和干物质含量进行观测，探讨峨热竹粗灰分和干物质含量的变异规律，及其受野生大熊猫采食的影响机制。结果表明：相同竹龄条件下，采食样方同一构件的粗灰分含量显著高于对照样方（P < 0.05），干物质的含量总体高于对照样方（P > 0.05）；枝叶粗灰分的含量显著高于竹秆（P < 0.05），而干物质的含量总体低于竹秆。随着竹龄的增加，不同竹龄粗灰分的含量大致呈逐年上升的趋势，而干物质的含量总体上呈下降趋势。大熊猫采食对于峨热竹粗灰分和干物质的积累没有明显的影响，粗灰分和干物质不会影响野生大雄猫对峨热竹的可持续利用，有利于大熊猫放归基地栗子坪自然保护区内的大雄猫生存繁衍。Abstract: The observation was made of the crude ash and dry matter content were observed of Arundinaria spanostachya after the panda ate it,and the effects of wild giant panda eating were discussed on the accumulation of crude ash and dry matter in A. spanostachya.The results showed that the content of crude ash in the same age-class conditions and the same organs of bamboo was significantly higher than that in the control plots(P<0.05),while the dry matter content was higher than that in the control plots(P>0.05).The content of crude ash in branches and leaves was significantly higher than that in the stem(P<0.05),while the content of dry matter was lower than that in the stem.With the increase of age-class,the content of crude ash increased gradually year by year,while the content of dry matter decreased.There was no obvious influence on the accumulation of the crude ash and dry matter after the giant panda eating.Crude ash and dry matter would not affect the sustainable use of A. spanostachy for wild giant pandas.It was beneficial to the survival and reproduction of the giant panda in the Liziping Nature Reserve.
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Key words:
- Giant panda;
- Arundinaria spanostachya;
- Crude ash;
- Dry matter
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