COMPOSITION AND FLORISTIC DIVERSITY OF SEED BANK IN SOIL OF CAATINGA AREA

被引：0
|
作者：
Medeiros, J. X. [1 ]
Silva, G. H. [2 ]
Ramos, T. M. [1 ]
Oliveira, R. B. [1 ]
Nobrega, A. M. F. [1 ]
机构：
[1] Univ Fed Campina Grande, Campina Grande, PB, Brazil
[2] Univ Fed Lavras, Lavras, MG, Brazil
来源：
HOLOS | 2015年 / 31卷 / 08期
关键词：
Regeneration; floristic richness; environmental recovery;
D O I：
暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The study evaluated qualitatively and quantitatively the seed bank of an area of caatinga. 35 plots were systematically arranged 10 x 10 m, samples were randomly collected. Each sample was individually homogenized and placed to germinate in two environments: full sun and shade to 50%. Was recorded 237 individuals belonging to 13 families and 26 species were identified. The total density of the seed bank was approximately 43 seeds/m2. The treatment with shade showed a density of 33.2 seed/m2. The treatment in full sun got density of 9.28 seed/m2. The environment under shade got more seed germination and initial survival of seedlings.
引用
收藏
页码：3 / 14
页数：12
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