Linking intraspecific trait variability and spatial patterns of subtropical trees
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The importance of intraspecific trait variability (ITV) to the spatial distribution of individual species is unclear. We hypothesized that intraspecific trait dispersions underlying niche processes deviate more from null model expectations, by reducing their spread (range and variance), kurtosis, and standard deviation of near-neighbor distance, for species with aggregated than those with random distributions. The link between species’ spatial distributions and ITV patterns was examined using an individual tree-based trait data set, in which specific leaf area, mean leaf area, leaf dry matter content, and diameter at breast height were measured for 18,773 stems of 45 species in a 4.84 ha mapped subtropical forest plot in China. The nearest-neighbor distance analysis showed that, of 45 species, 14 species were distributed in random and 31 species were distributed in aggregation, while no species was distributed in uniform in the plot. The dispersions of all studied traits in species with an aggregated distribution on average deviated more strongly from the null expectation than those in species with a random distribution and that the extent of deviation was negatively associated with the degree of spatial randomness across species. Our results indicate that niche processes are primarily responsible for the spatial structure of species with aggregated distributions, while stochastic processes drive those with random distributions. Our results highlight the fundamental role of ITV in shaping spatial patterns of co-existing species.
KeywordsAggregated distribution Environmental filtering Evergreen broadleaved forest Niche differentiation Stochastic processes
The authors would like to thank Min Guo, Qiang Zhong, Meng Kang, Yue Xu, Yilu Xu, Xiaodong Yang, Haixia Huang, Zhihao Zhang, Baowei Sun, Wenji Ma, Qingru Shi, Minshan Xu, Yaotao, Zhao, Qingqing Zhang, and Arshad Ali for their assistance in the field and laboratory, and Eric Searle and Shekhar Biswas for editorial comments. We are also grateful to Fangliang He for advice on the mapping of the studied plot. This study was supported by the National Natural Science Foundation of China (Grant Nos. 31670438 and 31770467).
Author contribution statement
ERY and HYHC designed the study and wrote the manuscript. ERY, LLZ, XHW, and XYL conducted the study. LLZ and HYHC analyzed the data.
- Baddeley A, Turner R (2016) Package ‘spatstat’, https://cran.r-project.org/web/packages/spatstat/spatstat.pdf. Accessed 7 Jan 2017
- Connell JH (1971) On the role of natural enemies in preventing competitive exclusion in some marine animals and in rain forest trees. In: den Boer PJ, Gradwell GR (eds) Dynamics of populations. Center for Agricultural Publications and Documentation, Wageningen, The Netherlands, pp 298–312Google Scholar
- Dale MRT (2002) Spatial pattern analysis in plant ecology. Cambridge University Press, Cambridge, UKGoogle Scholar
- Gotzenberger L, de Bello F, Brathen KA, Davison J, Dubuis A, Guisan A, Leps J, Lindborg R, Moora M, Partel M, Pellissier L, Pottier J, Vittoz P, Zobel K, Zobel M (2012) Ecological assembly rules in plant communities–approaches, patterns and prospects. Biol Rev 87:111–127. https://doi.org/10.1111/j.1469-185X.2011.00187.x CrossRefPubMedGoogle Scholar
- Kunstler G, Falster D, Coomes DA, Hui F, Kooyman RM, Laughlin DC, Poorter L, Vanderwel M, Vieilledent G, Wright SJ, Aiba M, Baraloto C, Caspersen J, Cornelissen JH, Gourlet-Fleury S, Hanewinkel M, Herault B, Kattge J, Kurokawa H, Onoda Y, Penuelas J, Poorter H, Uriarte M, Richardson S, Ruiz-Benito P, Sun IF, Stahl G, Swenson NG, Thompson J, Westerlund B, Wirth C, Zavala MA, Zeng H, Zimmerman JK, Zimmermann NE, Westoby M (2016) Plant functional traits have globally consistent effects on competition. Nature 529:204–207. https://doi.org/10.1038/nature16476 CrossRefPubMedGoogle Scholar
- Le Bagousse-Pinguet Y, Börger L, Quero J-L, García-Gómez M, Soriano S, Maestre FT, Gross N (2015) Traits of neighbouring plants and space limitation determine intraspecific trait variability in semi-arid shrublands. J Ecol 103:1647–1657. https://doi.org/10.1111/1365-2745.12480 CrossRefGoogle Scholar
- Le Bagousse-Pinguet Y, Gross N, Maestre FT, Maire V, de Bello F, Fonseca CR, Kattge J, Valencia E, Leps J, Liancourt P, Avolio M (2017) Testing the environmental filtering concept in global drylands. J Ecol 105:1058–1069. https://doi.org/10.1111/1365-2745.12735 CrossRefPubMedPubMedCentralGoogle Scholar
- Levine JM, Murrell DJ (2003) The community-level consequences of seed dispersal patterns. Annu Rev Ecol Evol Syst 34:549–574. https://doi.org/10.1146/annurev.ecolsys.34.011802.132400 CrossRefGoogle Scholar
- Li Y, Shipley B, Price JN, Dantas VdL, Tamme R, Westoby M, Siefert A, Schamp BS, Spasojevic MJ, Jung V, Laughlin DC, Richardson SJ, Bagousse-Pinguet YL, Schöb C, Gazol A, Prentice HC, Gross N, Overton J, Cianciaruso MV, Louault F, Kamiyama C, Nakashizuka T, Hikosaka K, Sasaki T, Katabuchi M, Frenette Dussault C, Gaucherand S, Chen N, Vandewalle M, Batalha MA, Vesk P (2017) Habitat filtering determines the functional niche occupancy of plant communities worldwide. J Ecol. https://doi.org/10.1111/1365-2745.12802 Google Scholar
- Poorter L, Wright SJ, Paz H, Ackerly DD, Condit R, Ibarra-Manríquez G, Harms KE, Licona JC, Martínez-Ramos M, Mazer SJ, Muller-Landau HC, Peña-Claros M, Webb CO, Wright IJ (2008) Are functional traits good predictors of demographic rates? Evidence from five Neotropical forests. Ecology 89:1908–1920CrossRefPubMedGoogle Scholar
- R Core Development Team (2016) R: a language and environment for statistical computing. R Foundation for Statistical Computing, ViennaGoogle Scholar
- Siefert A, Violle C, Chalmandrier L, Albert CH, Taudiere A, Fajardo A, Aarssen LW, Baraloto C, Carlucci MB, Cianciaruso MV, de Dantas LV, de Bello F, Duarte LDS, Fonseca CR, Freschet GT, Gaucherand S, Gross N, Hikosaka K, Jackson B, Jung V, Kamiyama C, Katabuchi M, Kembel SW, Kichenin E, Kraft NJB, Lagerström A, Bagousse-Pinguet YL, Li Y, Mason N, Messier J, Nakashizuka T, Overton JM, Peltzer DA, Pérez-Ramos IM, Pillar VD, Prentice HC, Richardson S, Sasaki T, Schamp BS, Schöb C, Shipley B, Sundqvist M, Sykes MT, Vandewalle M, Wardle DA, Chase J (2015) A global meta-analysis of the relative extent of intraspecific trait variation in plant communities. Ecol Lett 18:1406–1419. https://doi.org/10.1111/ele.12508 CrossRefPubMedGoogle Scholar
- Song Y, Wang X (1995) Vegetation and flora of Tiantong national forest park. Shanghai Scientific Documentary Press, ShanghaiGoogle Scholar
- Uriarte M, Swenson NG, Chazdon RL, Comita LS, John Kress W, Erickson D, Forero-Montaña J, Zimmerman JK, Thompson J (2010) Trait similarity, shared ancestry and the structure of neighbourhood interactions in a subtropical wet forest: implications for community assembly. Ecol Lett 13:1503–1514. https://doi.org/10.1111/j.1461-0248.2010.01541.x CrossRefPubMedGoogle Scholar
- Vellend M, Srivastava DS, Anderson KM, Brown CD, Jankowski JE, Kleynhans EJ, Kraft NJB, Letaw AD, Macdonald AAM, Maclean JE, Myers-Smith IH, Norris AR, Xue X (2014) Assessing the relative importance of neutral stochasticity in ecological communities. Oikos 123:1420–1430. https://doi.org/10.1111/oik.01493 CrossRefGoogle Scholar
- Wright SJ, Kitjima K, Kraft NJB, Reich PB, Wright IJ, Bunker DE, Condit R, Dalling JW, Davies SJ, Díaz SA, Engelbrecht BMJ, Harms KE, Hubbell SP, Marks CO, Ruiz-Jaen MC, Salvador CM, Zanne AE (2010) Functional traits and the growth–mortality trade-off in tropical trees. Ecology 91(12):3664–3674CrossRefPubMedGoogle Scholar