伴生树种 meaning in English

associated species

Main associated tree species are listed for loblolly pine plantation in hillock areas of southern anhui province
为皖南丘岗地区火炬松人工林提出可供选择的主要伴生树种。
The effects of topographical factors on the dominance of chinese - fir and its associated tree species vary with tree species
地形因子对杉木及其伴生树种的影响，因树种而异。
Niche of broussonetia papyrifera population and main associated species naturally revegetabled in mine spoil nanjing mufu mountains
南京幕府山矿区废弃地自然恢复植被的构树种群及其伴生树种生态位研究
So selecting chinese - fir associated tree species ， it should be taken into consideration that when the requirements on topography , physiognomy of different tree species are different
因此，在杉木伴生树种选择时，要考虑到不同树种对地形、地貌的要求不一样。
The paper expounds the growth process of main associated tree species , suggests the principle for choosing associated tree species and their mixed form , and for building forest roads with constructing ecological fire prevention belts
对主要伴生树种的生长发育过程作了说明，指出伴生树种选择应遵循的原则以及混交形式，同时提出把建立林道和营造生态防火林带相结合。