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Alternative designs and tropical tree seedling growth performance landscapes
Worthy, Samantha J.; Laughlin, Daniel C.; Zambrano, Jenny2; Umana, Maria N.; Zhang, Caicai4; Lin, Luxiang4; Cao, Min4; Swenson, Nathan G.
2020
Source PublicationECOLOGY
ISSN0012-9658
Volume101Issue:6Pages:-
Abstract

The functional trait values that constitute a whole-plant phenotype interact with the environment to determine demographic rates. Current approaches often fail to explicitly consider trait x trait and trait x environment interactions, which may lead to missed information that is valuable for understanding and predicting the drivers of demographic rates and functional diversity. Here, we consider these interactions by modeling growth performance landscapes that span multidimensional trait spaces along environmental gradients. We utilize individual-level leaf, stem, and root trait data combined with growth data from tree seedlings along soil nutrient and light gradients in a hyper-diverse tropical rainforest. We find that multiple trait combinations in phenotypic space (i.e., alternative designs) lead to multiple growth performance peaks that shift along light and soil axes such that no single or set of interacting traits consistently results in peak growth performance. Evidence from these growth performance peaks also generally indicates frequent independence of above- and belowground resource acquisition strategies. These results help explain how functional diversity is maintained in ecological communities and question the practice of utilizing a single trait or environmental variable, in isolation, to predict the growth performance of individual trees.

KeywordPLANT FUNCTIONAL TRAITS BIOMASS ALLOCATION LEAF ECONOMICS EVOLUTION RESPONSES FITNESS DENSITY MODEL DISTRIBUTIONS
Subject AreaEnvironmental Sciences & Ecology
DOI10.1002/ecy.3007
Indexed BySCI
Language英语
WOS IDWOS:000538100800014
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/11773
Collection森林生态研究组
Affiliation1.[Worthy, Samantha J.; Swenson, Nathan G.] Univ Maryland, Dept Biol, 1210 Biol Psychol Bldg,4094 Campus Dr, College Pk, MD 20742 USA
2.Laughlin, Daniel C.] Univ Wyoming, Dept Bot, Laramie, WY 82071 USA
3.Washington State Univ, Sch Biol Sci, Pullman, WA 99164 USA
4.Umana, Maria N.] Univ Michigan, Dept Ecol & Evolutionary Biol, Ann Arbor, MI 48109 USA
5.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, CAS Key Lab Trop Forest Ecol, Kunming 650201, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Worthy, Samantha J.,Laughlin, Daniel C.,Zambrano, Jenny,et al. Alternative designs and tropical tree seedling growth performance landscapes[J]. ECOLOGY,2020,101(6):-.
APA Worthy, Samantha J..,Laughlin, Daniel C..,Zambrano, Jenny.,Umana, Maria N..,Zhang, Caicai.,...&Swenson, Nathan G..(2020).Alternative designs and tropical tree seedling growth performance landscapes.ECOLOGY,101(6),-.
MLA Worthy, Samantha J.,et al."Alternative designs and tropical tree seedling growth performance landscapes".ECOLOGY 101.6(2020):-.
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