1. Tree seedlings of pioneerspecies and non-pioneers may respond differently to canopy gaps.
先锋种和非先锋种可能对林窗产生不同的反应。
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2. The feasible countermeasure was put forward: chooses the appropriate pioneerspecies to carry on the vegetation repair.
选择合适的先锋物种进行植被修复是逐步治理土壤侵蚀，改善生态环境的可行途径。
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3. These extremely hardy, slow growers often are pioneer species in sparse environments such as mountain tops and the far North.
它们非常耐寒，成长缓慢，常常是最先进驻人烟罕至地方的植物，如山巅和极北地区。
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4. Support for this idea came from the observation that long-lasting climax communities usually have more complex food webs and more species diversity than pioneer communities.
支持这一观点的是，长期存在的顶极群落通常比先锋群落有更复杂的食物网和更多的物种多样性。
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5. Actinorhizal Plants are a kind of important natural nitrogen-fixing resources, and they have high value in reforestation as pioneer and accompanying species.
放线菌根瘤植物是自然界中一类重要的固氮资源，作为先锋树种和伴生树种在造林中有重要的应用价值。
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6. As a perfect hybrid planting and a pioneer tree species in restoring vegetation, black locust is very valuable in restoring vegetation and ecological building in temperate zone of China.
7. The Spanish team has provisionally assigned the newfound fossil to Homo antecessor ('pioneer man'), a species that they suggest could be the last common ancestor of Neanderthals and Homo sapiens .
