Toucans are found in South and Central America in the canopy layer of the rainforest.

巨嘴鸟在雨林的天篷层的南方和中美洲被发现。

youdao

Using observational data of the turbulent gradient, exchange characteristics of the momentum in the plant canopy layer (CL) are studied in detail.

使用湍流梯度测试资料，对植物冠层动量交换特征进行了详细研究，结果表明；

youdao

Through the roles of interception and absorption of the canopy layer, litter layer, and root and soil layer, the benefits of flood and sediment reduction of forest vegetation are prominent.

森林植被通过林冠层、枯落物层和根系土壤层的分层拦截吸收，起到突出的减洪减沙作用。

youdao

Odzala is characterized by a rich variety of habitats, including primary rain forest with a closed canopy (e.g. with Entandrophragma utile, E. candollei and E. cylindricum) and open understorey layer, forests dominated by dense formations of Marantaceae, forest clearings and savannas on the hilltops (e.g. with Hymenocardia acida, Annona arenaria or Hyparrhenia diplandra).

UNESCO: Biosphere Reserve Information