Three-way species interactions reverse the positive pairwise effects of two natives on an exotic invader
Three-way species interactions reverse the positive pairwise effects of two natives on an exotic invader
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三向物种相互作用逆转了两个本地物种对外来入侵者的积极成对效应
DOI:
10.1007/s11258-023-01304-6
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发表时间:
2023
期刊:
影响因子:
1.7
通讯作者:
Pratt, Jessica D.
中科院分区:
文献类型:
--
作者:
Schlau, Benjamin M.;Huxman, Travis E.;Mooney, Kailen A.;Pratt, Jessica D.
The disruptive effects of tertiary species on otherwise positive pairwise species interactions (e.g. context-dependent parasitism in pollinator syndromes) is well-known. However, few—if any—studies have investigated how invasive plants affect interactions between facilitative plants and their native plant communities. Further, if tertiary invasive species can change interactions among native species from positive to negative, then a tertiary native should be capable of the same phenom for pairwise interactions between natives and invasives. Our previous research indicates invasive black mustard (Brassica nigra) changes interaction signs for otherwise positive species interactions between the dominant, native facilitator California buckwheat (Eriogonum fasciculatum) and its co-dominant beneficiary California sagebrush (Artemisia californica) in semi-arid California coastal sage scrub habitat. Here,E. fasciculatumandA. californicaseedlings increasedB. nigrashoot growth in pairwise species interactions in the greenhouse. However, in three-way species interactions,E. fasciculatumandA. californicatogether reducedB. nigraSLA, height, and reproductive potential while not increasing shoot DW. In three-way species interactions,B. nigradid not significantly reduceE. fasciculatumfacilitation ofA. californica. Also surprisingly, light competition withB. nigraresulted in an increase inA. californicaheight,which reduced the negative effects ofA. californicalight competition on shade-intolerantE. fasciculatum.In an additive field experiment,A. californicaprotectedE. fasciculatumfrom facilitating germination and growth ofB. nigrawhen water competition was minimized. Taken together, this study demonstrates the importance of studying species interactions between competitive, native perennials in the current ecological context of invaded ecosystems.
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影响因子:
2.7
作者:
KUMMEROW, J;KRAUSE, D;JOW, W
通讯作者:
JOW, W
影响因子:
3.5
作者:
P. Bowler
通讯作者:
P. Bowler
影响因子:
3.2
作者:
Eliason, SA;Allen, EB
通讯作者:
Allen, EB
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
Susana Rodríguez‐Buriticá;M. Miriti
通讯作者:
M. Miriti
影响因子:
8.8
作者:
R. Karban
通讯作者:
R. Karban