Predicting trait-environment relationships for venation networks along an Andes-Amazon elevation gradient

被引：35

作者：

Blonder, Benjamin ^{[1
]}

Salinas, Norma ^{[1
,2
]}

Bentley, Lisa Patrick ^{[1
]}

Shenkin, Alexander ^{[1
]}

Porroa, Percy O. Chambi ^{[3
]}

Tejeira, Yolvi Valdez ^{[3
]}

Violle, Cyrille ^{[4
]}

Fyllas, Nikolaos M. ^{[1
]}

Goldsmith, Gregory R. ^{[5
]}

Martin, Robert E. ^{[6
]}

Asner, Gregory P. ^{[6
]}

Diaz, Sandra ^{[1
,7
,8
]}

Enquist, Brian J. ^{[9
,10
]}

Malhi, Yadvinder ^{[1
]}

机构：

[1] Univ Oxford, Environm Change Inst, Sch Geog & Environm, Oxford OX1 3QY, England

[2] Pontificia Univ Catolica Peru, Secc Quim, Lima, Peru

[3] Univ Nacl San Antonio Abad Cusco, Cuzco, Peru

[4] Univ Paul Valery Montpellier, Univ Montpellier, Ctr Ecol Fonctionnelle & Evolut UMR 5175, CNRS,EPHE, Montpellier, France

[5] Paul Scherrer Inst, Ecosyst Fluxes Grp, Lab Atmospher Chem, CH-5232 Villigen, Switzerland

[6] Carnegie Inst Sci, Dept Global Ecol, Stanford, CA 94305 USA

[7] Univ Nacl Cordoba, Inst Multidisciplinario Biol Vegetal IMBIV, CONICET UNC, Cordoba, Argentina

[8] Univ Nacl Cordoba, FCEFyN, Cordoba, Argentina

[9] Univ Arizona, Dept Ecol & Evolutionary Biol, Tucson, AZ 85721 USA

[10] Santa Fe Inst, 1399 Hyde Pk Rd, Santa Fe, NM 87501 USA

来源：

ECOLOGY | 2017年 / 98卷 / 05期

基金：

欧洲研究理事会; 美国国家科学基金会; 英国自然环境研究理事会;

关键词：

abundance-weighting; Amazon basin; Andes; community assembly; community-weighted mean; conductance; environmental filtering; functional trait; leaf thickness; trait-environment relationship; vein density; vein radius; LEAF ECONOMICS SPECTRUM; PLANT TRAITS; FUNCTIONAL TRAITS; WATER TRANSPORT; GAS-EXCHANGE; EVOLUTION; ECOLOGY; COMMUNITIES; CLIMATE; TEMPERATURE;

D O I：

10.1002/ecy.1747

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Understanding functional trait-environment relationships (TERs) may improve predictions of community assembly. However, many empirical TERs have been weak or lacking conceptual foundation. TERs based on leaf venation networks may better link individuals and communities via hydraulic constraints. We report measurements of vein density, vein radius, and leaf thickness for more than 100 dominant species occurring in ten forest communities spanning a 3,300 m Andes-Amazon elevation gradient in Peru. We use these data to measure the strength of TERs at community scale and to determine whether observed TERs are similar to those predicted by physiological theory. We found strong support for TERs between all traits and temperature, as well weaker support for a predicted TER between maximum abundance-weighted leaf transpiration rate and maximum potential evapotranspiration. These results provide one approach for developing a more mechanistic trait-based community assembly theory.

引用

页码：1239 / 1255

页数：17

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