江苏句容仑山冬季鸟类群落结构及其多样性研究

Community structure and diversity of winter birds in Lunshan Hill,Jurong,Jiangsu Province

2015年11-12月,利用样线法对江苏句容仑山的冬季鸟类群落结构及其多样性进行了研究。冬季调查共记录到鸟类2 346只,平均密度19.55只/hm^2,隶属10目25科54种。其中,广布种23种,东洋种11种,古北种20种,含国家重点保护鸟类3种。在物种组成上,冬季鸟类以雀形目为主,占鸟类总种数的74.07%,棕头鸦雀、白头鹎为冬季群落的优势鸟种。在区系组成上,主要以广布种为主,古北界种类要多于东洋界。调查区冬季鸟类多样性2.75,均匀度0.82,优势度0.10,调查结果表明句容仑山的冬季鸟类多样性较高。

In November and December of 2015,the community structure and diversity of the winter birds in Lunshan Hill,Jurong were studied. Total of 2 346 birds had been recorded by line-transect method,and the mean density of the bird number in this area was 19. 55 per hectare. Fifty-four species were identified which belonged to 25 families of 10 orders. Among them,three species were listed as national protected species,20 species belonged to Palaearctic Realm,11 species belonged to Oriental Realm,and 23 species were widespread. The bird community was mainly composed of Passeriformes,accounting for 74. 07% of the total number,and Parafoxornis webbianus and Pycnonotus sinensis were the dominant bird species in this area. The results showed that avian diversity index in Lunshan Hill,Jurong was high,with 2. 75 of ShannonWiener index.