黄土沟壑区狼牙刺群落优势种群生态位研究

摘要/Abstract

摘要： 运用Levin公式和百分率相似公式,对狼牙刺群落中13个优势种群的生态位宽度、生态位相似性比例及其生态位重叠值进行了研究.结果表明,生态位宽度依次为狼牙刺(0.964)、茭蒿(0.77)、铁杆蒿(0.664)、黄背草(0.08)、远志(0.48)、狗尾草(0.472)、狗牙根(0.399)、白羊草(0.393)、达乌里胡枝子(0.327)、长芒草(0.321)、杠柳(0.292)、灌木铁线莲(0.21)、糙隐子草(0.234).狼牙刺与其他种群的生态位相似比在0.21～0.76之间,生态位重叠值较高,其他种群与狼牙刺之间的重叠值较低,表明狼牙刺与其他种群之间对资源的竞争并不十分激烈,因而能成为黄土沟壑区狼牙刺群落中利用资源能力和生态适应性最强的优势种群,并在维持群落的物种多样性和相对稳定性中发挥重要作用.

关键词: 黄土沟壑区, 狼牙刺群落, 优势种群, 生态位宽度, 生态位重叠

Abstract: Based on field investigation data and employing Levin and niche proportional similarity formulae,this paper calculated the niche breadth,niche proportional similarity,and niche overlap of 13 dominant species of Sophora davidii community in loess gully region.The results showed that the niche breadth of the dominant populations of Sophora davidii community decreased in order of Sophora davidii(0.964),Artemisia giraldii(0.775),Artemisia gmelinii(0.664),Themeda triandra var.japonica(0.508),Polygala tenuifolia(0.485),Setaria viridis(0.399),Cynodon dactylon(0.393),Bothriochloa ischaemum(0.327),Lespedeza davurica(0.321),Stipa bungeana(0.472),Periploca sepium(0.292),Clematis fruticosa(0.251),and Cleistogenes squarrosa(0.234).The niche proportional similarity between Sophora davidii and other species was 0.21～0.76,while the niche overlap was not high,which meant that there was no severe competition between them.It could be concluded that Sophora davidii was the dominant population in the community,with most resources utilization and most adaptability to the ecosystem.

Key words: Sophora davidii community, Dominant population, Niche breadth, Niche overlap, Loess gully region

中图分类号:

Q948.1

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李登武, 张文辉, 任争争. 黄土沟壑区狼牙刺群落优势种群生态位研究[J]. 应用生态学报, 2005, 16(12): 2231-2235.

LI Dengwu, ZHANG Wenhui, REN Zhengzheng . Niche characteristics of dominant populations of Sophora davidii community in loess gully region[J]. Chinese Journal of Applied Ecology, 2005, 16(12): 2231-2235.

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黄土沟壑区狼牙刺群落优势种群生态位研究

Niche characteristics of dominant populations of Sophora davidii community in loess gully region

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[1]	刘亮亮, 周开胜, 黄新琦, 谢祎, 张艺, 刘小林. 低温茬口空闲期土壤强还原消毒对西瓜枯萎病的影响 [J]. 应用生态学报, 2021, 32(8): 2967-2974.
[2]	刘坤, 俞存根, 许永久, 江新琴, 郑基, 于南京, 张佩怡, 蒋巧丽, 牛威震, 王慧君. 浙江披山海域主要鱼类时空生态位 [J]. 应用生态学报, 2021, 32(3): 1069-1079.
[3]	张亚洲, 张琳琳, 印瑞, 栾会妮, 刘志坚, 陈坚, 蒋日进. 浙江乐清湾浮游动物空间生态位 [J]. 应用生态学报, 2021, 32(1): 342-348.
[4]	蔡研聪, 孙铭帅, 许友伟, 李佳俊, 黄梓荣, 陈作志, 杨长平, 刘维达, 张衡. 南海北部近海头足类优势种及其生态位特征 [J]. 应用生态学报, 2020, 31(8): 2793-2803.
[5]	刘明华, 梁君, 徐汉祥. 中街山列岛海洋保护区虾类优势种时空生态位 [J]. 应用生态学报, 2020, 31(5): 1746-1752.
[6]	张琳琳, 周永东, 蒋日进, 李哲, 樊紫薇, 印瑞, 朱玉丹, 芮银, 肖祎. 浙江中南部近岸海域春季主要鱼类空间生态位 [J]. 应用生态学报, 2020, 31(2): 659-666.
[7]	戴冬旭, 俞存根, 刘惠, 颜文超, 孙蓓蓓, 菅康康, 辛艺, 张文俊. 南麂列岛东侧海域主要游泳动物生态位及种间联结性 [J]. 应用生态学报, 2019, 30(12): 4249-4258.
[8]	张琳琳, 蒋日进, 印瑞, 徐开达, 方芳, 徐义平, 柯爱英. 乐清湾主要游泳动物空间生态位及其分化 [J]. 应用生态学报, 2019, 30(11): 3911-3920.
[9]	何雄波, 李军, 沈忱, 石焱, 冯晨, 郭峻宏, 招春旭, 颜云榕, 康斌. 闽江口主要渔获鱼类的生态位宽度与重叠 [J]. 应用生态学报, 2018, 29(9): 3085-3092.
[10]	刘润红,常斌,荣春艳,姜勇,杨瑞岸,刘星童,曾惠帆,傅桂焕. 漓江河岸带枫杨群落主要木本植物种群生态位 [J]. 应用生态学报, 2018, 29(12): 3917-3926.
[11]	郭燕, 杨邵, 沈雅飞, 肖文发, 程瑞梅. 三峡库区消落带现存草本植物组成与生态位 [J]. 应用生态学报, 2018, 29(11): 3559-3568.
[12]	张苗苗, 王咏雪, 田阔, 孙鹏, 求锦津, 聂振林, 田嘉琦, 水柏年. 台州玉环北部沿岸海域主要游泳动物生态位和种间联结性 [J]. 应用生态学报, 2018, 29(11): 3867-3875.
[13]	白晓航, 张金屯. 小五台山森林群落优势种的生态位分析 [J]. 应用生态学报, 2017, 28(12): 3815-3826.
[14]	陈倩, 杨晔, 史琛媛, 徐学华. 木兰围场天然次生林优势种群的结构与动态 [J]. 应用生态学报, 2017, 28(1): 37-46.
[15]	李海云,牛世全**,孔维宝,阎薇如,耿晖,韩彩虹,达文燕,张爱梅,朱学泰. 河西走廊酒泉地区盐碱土未培养放线菌多样性 [J]. 应用生态学报, 2015, 26(9): 2817-2823.