Call for protection of scatter-hoarding rodents

doi:10.1126/science.abk0347

GSTDTAP > 气候变化

DOI	10.1126/science.abk0347
	Call for protection of scatter-hoarding rodents
	Sijie Yi; Xianfeng Yi
	2021-08-06
发表期刊	Science
出版年	2021
英文摘要	Mutualistic interactions between seed dispersers and tree species are important to both animal and plant populations. Scatter-hoarding rodents benefit plant species by carrying seeds to areas with more space for growth and increasing the number of seeds that germinate and grow. Forest fragmentation has compromised scatter-hoarding rodent habitats, causing population declines worldwide. In turn, disruption of dispersal mutualisms may predispose some trees to population decline or even local extinction ([ 1 ][1]). However, compared with large mammals, scatter-hoarding rodents have been largely overlooked in conservation plans. In Central American neotropical forests, the ground-dwelling acouchies and agoutis that disperse and scatter-hoard large-seeded tropical endemic tree species, including the arara nut-tree ( Joannesia princeps ) and palms such as Astrocaryum standleyanum and A. aculeatissimum , are sensitive to and threatened by forest fragmentation ([ 2 ][2]). In North America, the largest kangaroo rat, Dipodomys ingens , an endangered species that plays a crucial role in scattering the seeds of various plants, has suffered substantial population decline and now is restricted to 3% of its historical range ([ 3 ][3]). The scatter-hoarding Edwards's long-tailed giant rat ( Leopoldamys edwardsi ) disappeared after forest fragmentation compromised its habitat in southern Thailand ([ 4 ][4]) and has been lost in Hong Kong ([ 5 ][5]). Small-bodied scatter-hoarding rats have also become extinct as a result of fragmentation ([ 6 ][6]). Scatter-hoarding squirrels, which are widely distributed across the world and include the Siberian flying squirrel ( Pteromys volans ), northern flying squirrel ( Glaucomys sabrinus ), eastern gray squirrel ( Sciurus carolinensis ), eastern fox squirrel ( S. niger ), Eurasian red squirrel ( S. vulgaris ), and American red squirrel ( Tamiasciurus hudsonicus ), are rarely found in the small forest fragments that remain after the loss of larger habitats ([ 7 ][7]–[ 10 ][8]). Eight species in the Sciurid family have declined as a result of deforestation in Singapore since the early 19th century ([ 11 ][9]). Smith's bush squirrel ( Paraxerus cepapi ), the sole secondary seed disperser of marula fruit ( Sclerocarya birrea ), is endangered in the African savanna ([ 12 ][10]). Disrupting the patterns of scatter-hoarding rodents and the plants they support puts entire ecosystems at risk. Given the crucial role these species play in regions across the world, local governments and forestry administrations worldwide should implement conservation measures to preserve and restore large, unfragmented areas to protect them. 1. [↵][11]1. M. Galetti et al ., Bot. J. Linn. Soc. 151, 141 (2006). [OpenUrl][12][CrossRef][13][Web of Science][14] 2. [↵][15]1. P. Mittelman et al ., Biol. Rev. 10.1111/brv.12761 (2021). 3. [↵][16]1. I. V. Widick, 2. W. T. Bean , Divers. Distribut. 25, 1074 (2019). [OpenUrl][17] 4. [↵][18]1. A. J. Lynam, 2. I. Billick , Biol. Conserv. 91, 191 (1999). [OpenUrl][19] 5. [↵][20]1. K. Chung, 2. R. T. Corlett , Biodiv. Conserv. 15, 4521 (2006). [OpenUrl][21] 6. [↵][22]1. C. P. Kofron, 2. F. X. Villablanca , J. Fish Wildl. Manage. 7, 237 (2016). [OpenUrl][23] 7. [↵][24]1. J. L. Koprowski , Anim. Conserv. 8, 369 (2005). [OpenUrl][25] 8. 1. A. Garner et al ., Conserv. Genet. 6, 759 (2005). [OpenUrl][26] 9. 1. S. Hanski , Ecography 26, 641 (2003). 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领域	气候变化 ; 资源环境
URL	查看原文
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/335560
专题	气候变化资源环境科学
推荐引用方式 GB/T 7714	Sijie Yi,Xianfeng Yi. Call for protection of scatter-hoarding rodents[J]. Science,2021.
APA	Sijie Yi,&Xianfeng Yi.(2021).Call for protection of scatter-hoarding rodents.Science.
MLA	Sijie Yi,et al."Call for protection of scatter-hoarding rodents".Science (2021).