1) investigation of moths
蛾类调查
4) Forest Management Inventory
二类调查
1.
Discussion on Harmonization of Data from Continuous Forest Inventory and Forest Management Inventory;
森林资源一类清查和二类调查数据的协调性问题探讨
2.
Research on methods for controlling the volume of forest management inventory;
控制二类调查蓄积的方法研究
3.
Application of CASIOfx-4500PA Calculator to Forest Management Inventory;
CASIOfx-4500PA计算器在森林资源二类调查中的应用
5) ichthyologic survey
鱼类调查
6) Bird survey
鸟类调查
1.
In this paper, the assumptions, types, and limiting factors of using point count method in bird survey were introduced, with the focus on the appropriate selection of sample size, sampling points and sampling tim.
样点法由于具有易于实施、更易做到随机化或系统化以及适合于复杂及斑块化生境等优点,已成为目前使用最为广泛的森林鸟类调查方法。
补充资料：蛾类
昆虫纲鳞翅目一类昆虫的通称。属完全变态昆虫。成虫触角有鞭状、丝状、羽状、纺锤状等，因种而异。有单眼，腹部宽阔。常夜间飞行，静止时四翅平放。蛹常具茧。幼虫体表有毛，多为植食性。如麦蛾、菜蛾、夜蛾、天蛾等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条