%0 Journal Article
%T 石羊河流域中下游湿地–荒漠芦苇种群生长特征研究<br>A Research on Growth Characteristics of Phragmites australis Population from Wetland to Desert in Middle and Lower Reaches of Shiyang River Water-Shed Area
%A 张裕年
%A 满多清
%A 韩福贵
%A 郑庆中
%A 肖斌
%A 付贵全
%A 杜娟
%A 宋龙龙
%A 王晓琴
%A 宋龙龙
%J Botanical Research
%P 19-26
%@ 2168-5673
%D 2021
%I Hans Publishing
%R 10.12677/BR.2021.101004
%X <div style=\"text-align:justify;\">
	<span style=\"font-size:14px;line-height:1.5;\">芦苇是石羊河流域荒漠区主要建群植物种群，从湿地到雨养荒漠区均有分布，并随水文、土壤、气候、植被等生境因子变化而形成了不同的生态型。研究表明：荒漠湿地芦苇密集分布，生长最为旺盛，地下水位在2 m以内多芦苇优势植物群落，并随着离湿地水面距离增加，地下水位下降，芦苇种群密度、生长量减低，植被覆盖度也逐渐降低，直至雨养荒漠区都有稀疏或零星的芦苇生长；同时，土壤盐分、pH值也抑制着芦苇种群的生长发育，其水、盐、干旱三大因素显著影响着芦苇的分布与生长发育。<br />
Phragmites australis is the dominant population of desert vegetation communities in Shiyang River water-shed area, it is distributed extensively from wetland to rain-fed desert areas, changed with habitat factors of hydrology, soil, climate and vegetation and formed some different eco-types. The research showed that Phragmites australis communities are densely distributed, growth is the best in the wetland and more its communities when groundwater table is less than 2 m, with the distance increasing to the water area, groundwater table declines, its population density, growth and vegetation coverage are reduced; in the meanwhile, soil salt content, pH value are also limited its distribution and growth, the three key factors of habitat hydrology, salt and drought limited the distribution and growth obviously.</span> 
</div>
%K 石羊河流域，湿地–荒漠，芦苇种群，生长特征<br>Shiyang River Water-Shed Area
%K Wetland to Desert
%K Phragmites australis Population
%K Growth Characteristics
%U http://www.hanspub.org/journal/PaperInformation.aspx?PaperID=39704