论文部分内容阅读
蚯蚓,由于它具有生态学的特殊功能,早已引起人们的重视。蚯蚓的培养,近年在国外发展很快,利用也相当广泛,但大多限于蚯蚓的陆生类群。而蚯蚓的水生类群——水蚯蚓,由于具有陆生类群所不具有的功能和用途,近年也逐渐引起人们的注意。水蚯蚓的种类很多。常见而重要的种类有深栖水丝蚓、正颤蚓、苏氏尾鳃蚓、指鳃尾盘虫、叉形管盘虫等等。在自然界,
Earthworms, as it has the special functions of ecology, have drawn people’s attention. Earthworm cultivation, developed rapidly abroad in recent years, the use is also quite extensive, but mostly limited to earthworms terrestrial groups. The earthworm aquatic group - water earthworms, due to terrestrial groups do not have the functions and uses, in recent years has gradually attracted people’s attention. There are many types of water earthworms. Common and important species are deep-seated water earthworm, is the earthworm, the tail gill epiphytic, refers to the gill trapping insects, fork pipe worm and so on. In nature,