透明 发表于 2025-3-28 15:06:14
https://doi.org/10.1007/978-1-4615-4781-5conservation; ecology; population dynamics; Tree Biologyconscribe 发表于 2025-3-28 21:28:27
http://reply.papertrans.cn/19/1820/181966/181966_42.pngSpinal-Fusion 发表于 2025-3-29 01:02:20
http://image.papertrans.cn/b/image/181966.jpg鸣叫 发表于 2025-3-29 04:01:44
The Structure and Content of the Good,half of the 19th century. Because of a prudent ban on beaver hunting in 1845, a small remnant population of a few hundred individuals survived in southern Norway. This population became the source for subsequent reintroductions to the other Scandinavian countries. Between 1922 and 1940 about 80 NorwExclaim 发表于 2025-3-29 08:59:24
Law, Liberalism, and the Common Good,ring of these two pairs. Currently, the beaver population is rapidly increasing and causing considerable damage to forest and agricultural land. Therefore there is a need to manage the beaver population at a lower, but sustainable level through hunting. However, it is impossible to develop a beaver好忠告人 发表于 2025-3-29 12:26:23
http://reply.papertrans.cn/19/1820/181966/181966_46.pngAccord 发表于 2025-3-29 16:41:24
http://reply.papertrans.cn/19/1820/181966/181966_47.png充足 发表于 2025-3-29 20:58:00
Elsa G. Baumeister,Andrea V. Pontorieror fur, meat, and medicinal products for thousands of years. This exploitation led to the almost complete extirpation of beavers from the Baltic region by the late 1800s. Beaver reintroduction programs were initiated in the early to mid 1900s, and the populations recovered and grew. The reintroductio直觉好 发表于 2025-3-30 01:44:31
Adriana E. Kajon,Ramón A. Gonzalezithuania, and others were actively introduced from the former Soviet Union. The population grew slowly from 1945 to the 1970s. In the late 1970s the population began to increase rapidly, and by 1997 there were an estimated 10,000 beavers in Poland. The growth of the population was influenced by thenotification 发表于 2025-3-30 07:17:15
http://reply.papertrans.cn/19/1820/181966/181966_50.png