破碎化次生林斑块面积及斑块隔离对大山雀繁殖成功的影响

应用生态学报 ›› 2001, Vol. ›› Issue (4): 527-531.

破碎化次生林斑块面积及斑块隔离对大山雀繁殖成功的影响

邓文洪¹, 高玮¹, 宋晓东²

1. 东北师范大学草地研究所, 长春 130024;
2. 大连森林公园, 大连 116000

收稿日期:2000-07-28 修回日期:2001-01-12 出版日期:2001-07-25
通讯作者: 邓文洪,男,1970年生,博士研究生,主要从事鸟类生态学研究,发表论文5篇.Tel:0432-4702361,E-mail:Dwenhong@bar.com.cn
基金资助:
国家自然科学基金资助项目(39170120)

Effect of forest patch size and isolation on reproductive success of Great Tit in fragmented secondary-forests

DENG Wenhong¹, GAO Wei ¹

School of Life Science, Northeast Normal University, Changchun 130024

Received:2000-07-28 Revised:2001-01-12 Online:2001-07-25

摘要/Abstract

摘要： 研究了破碎化山地次生林中斑块面积及斑块隔离度对大山雀(Parus major)繁殖成功的影响.运用GPS定位系统确定了18块大、中、小3种类型的斑块及对照样点.观测了大山雀产第一枚卵时间、窝卵数、平均卵重、出雏量及雏鸟出飞量等生态指标.结果表明,斑块隔离度对大山雀繁殖成功没有影响;1999～2000年两年中,大山雀在连续分布次生林中的产卵时间平均早于各斑块中的产卵时间7.2d,各斑块间的产卵时间差异较小;连续分布次生林和较大面积斑块内的大山雀窝卵数略高于中、小面积斑块内的窝卵数;连续分布次生林中的平均卵重最大;斑块面积对出雏量及雏鸟出飞量没有影响;中、小面积斑块内的巢损失率较高,最主要的原因是巢址竞争较激烈.

关键词: 大山雀, 破碎化, 斑块面积, 隔离度, 繁殖成功

Abstract: The effect of forest patch size and isolation on reproductive success of Great Tit(Parus major)in fragmented se-condary-forests was studied in Zuojia Natural Protection Area of Jilin Province by collecting data on breeding success,clutch-size,laying date,egg weight,brood-size and number fledged of Great Tit in 18 large(20～30hm²),medium(10～20hm²),and small(6～10hm²)patches,and two extensive forests(>100hm²).All the forest patches were GPS tested.The results showed that isolation had no effect on reproductive success of Great Tit,and Great Tit laid 7.2 days earlier in extensive forests than in all forest patches.Clutches in extensive forests and large forest patches were slightly larger than those in medium and small forest patches,and eggs were heavier in extensive forests than in the patches.Patch size had no effect on brood-size and number fledged.The lost rate of the nests was high in medium and small fo- rest patches because of intense competition.

Key words: Great Tit, Fragment, Forest patch size, Isolation, Reproductive success

中图分类号:

Q958.11

邓文洪, 高玮, 宋晓东. 破碎化次生林斑块面积及斑块隔离对大山雀繁殖成功的影响[J]. 应用生态学报, 2001, (4): 527-531.

DENG Wenhong, GAO Wei . Effect of forest patch size and isolation on reproductive success of Great Tit in fragmented secondary-forests[J]. Chinese Journal of Applied Ecology, 2001, (4): 527-531.

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