Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1093/czoolo/60.4.527 |
How territoriality affects the density of an egg predator: Habitat renovation and reintroduction as a method of conserving two endangered desert spring fish | |
Paciorek, Timothy; Al-Shaer, Layla; Itzkowitz, Murray | |
通讯作者 | Paciorek, Timothy |
来源期刊 | CURRENT ZOOLOGY
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ISSN | 1674-5507 |
出版年 | 2014 |
卷号 | 60期号:4页码:527-533 |
英文摘要 | Conservation of endangered sympatric species must be carefully executed to ensure that the protection of one species does not negatively impact the survival of another. Critically endangered Pecos gambusia Gambusia nobilis and Leon Springs pupfish Cyprinodon bovinus, which are endemic to a threatened desert spring habitat, exemplify one such scenario. Recently, this habitat has been expanded, and captively bred C. bovinus were released to repopulate an area historically known to contain this species. A previous study suggested that G. nobilis are detrimental to C. bovinus populations, due to their tendency to congregate near spawning pairs and feed on their eggs. Whether G. nobilis are attracted to territorial C. bovinus, regardless of spawning behavior, remains unclear. To determine this, the number of G. nobilis in occupied and unoccupied breeding territories of both wild and captively bred C. bovinus was measured. Gambusia nobilis densities were similar between unoccupied and occupied territorial sites, suggesting that they do not show a preference for C. bovinus territories. Regardless of habitat location or prior captivity, territorial C. bovinus significantly excluded G. nobilis within their direct vicinity ( 5 cm), but not from their entire territory. Decreased G. nobilis density within the habitat may allow C. bovinus to defend their breeding territories more readily during the summer spawning season. This study provides empirical evidence of captively raised individuals behaving similarly to wild individuals upon reintroduction to their natural habitat and support for conservation methods that focus on common limiting factors between endangered species |
英文关键词 | Pupfish Gambusia Habitat Conservation Territory Density |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000340840700010 |
WOS关键词 | PUPFISH CYPRINODON ; BREEDING TERRITORIES ; REPRODUCTIVE SUCCESS ; CONSERVATION ; POPULATIONS ; COMPETITION ; MANAGEMENT ; EVOLUTION ; CONFLICT ; RECOVERY |
WOS类目 | Zoology |
WOS研究方向 | Zoology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/181535 |
作者单位 | Lehigh Univ, Dept Biol Sci, Bethlehem, PA 18015 USA |
推荐引用方式 GB/T 7714 | Paciorek, Timothy,Al-Shaer, Layla,Itzkowitz, Murray. How territoriality affects the density of an egg predator: Habitat renovation and reintroduction as a method of conserving two endangered desert spring fish[J],2014,60(4):527-533. |
APA | Paciorek, Timothy,Al-Shaer, Layla,&Itzkowitz, Murray.(2014).How territoriality affects the density of an egg predator: Habitat renovation and reintroduction as a method of conserving two endangered desert spring fish.CURRENT ZOOLOGY,60(4),527-533. |
MLA | Paciorek, Timothy,et al."How territoriality affects the density of an egg predator: Habitat renovation and reintroduction as a method of conserving two endangered desert spring fish".CURRENT ZOOLOGY 60.4(2014):527-533. |
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