我在这里发现，食草哺乳动物的种群密度与生物量，堪与状况最好的东非大草原地区相比。
I determined that densities and biomass of herbivorous mammals in Nagarahole were comparable to some of the best East African Savannah areas.
内容包括造林密度与树冠结构、造林密度与林木生长特性、造林密度与生物量等关系的研究。
The studied items include the relationship between planting density and crown structure, planting density and growth characteristics, planting density and biomass etc.
本文研究了浙江省松阳县关山源地区黄山松种群的密度与生物量动态以及它们之间的相互关系。
This study was carried out at Guanshanyuan, Songyang County, Zhe-jiang Province. Density and biomass dynamics as well as their interrelationship for Pinus taiwanensis populations are described.
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