M. Charru团队的一项最新研究报道了广泛生长缓慢的获取性树种。相关论文于2025年3月19日发表于国际顶尖学术期刊《自然》杂志上。
通过整合各自独立的数据集,并根据其功能性状值对获取树种和保守树种进行分类,小组发现,在野外条件下,被认为是快速生长树种的获取树种通常生长缓慢。当前范例与实地观察之间的这种差异可以用影响生长的环境条件的相互作用来解释。获取的物种需要潮湿温和的气候和肥沃的土壤,这些条件在野外通常不具备。相比之下,保守物种,被认为是生长缓慢的物种,由于它们能够忍受不利的环境条件,通常表现出更高的实际增长。一般来说,在非热带森林中,保守树种比获取树种生长更稳定。该课题组研究人员建议在能够实现其快速生长潜力的地区种植可获取树种。在其他环境压力较大的地区,保守树种在其生物量中固定碳的潜力更大。
据悉,树木通过光合作用积累生物量,是一个重要的碳汇。因此,确定生长迅速的树种通常被认为是通过植树造林有效减缓气候变化的关键。虽然物种特征是人工林设计和森林管理的关键信息,但实地研究往往无法发现物种功能特征与树木生长之间的明确关系。
附:英文原文
Title: Widespread slow growth of acquisitive tree species
Author: Augusto, L., Borelle, R., Boa, A., Bon, L., Orazio, C., Arias-Gonzlez, A., Bakker, M. R., Gartzia-Bengoetxea, N., Auge, H., Bernier, F., Cantero, A., Cavender-Bares, J., Correia, A. H., De Schrijver, A., Diez-Casero, J. J., Eisenhauer, N., Fotelli, M. N., Gtebl, G., Godbold, D. L., Gomes-Caetano-Ferreira, M., Gundale, M. J., Jactel, H., Koricheva, J., Larsson, M., Laudicina, V. A., Legout, A., Martn-Garca, J., Mason, W. L., Meredieu, C., Mereu, S., Montgomery, R. A., Musch, B., Muys, B., Paillassa, E., Paquette, A., Parker, J. D., Parker, W. C., Ponette, Q., Reynolds, C., Rozados-Lorenzo, M. J., Ruiz-Peinado, R., Santesteban-Insausti, X., Scherer-Lorenzen, M., Silva-Pando, F. J., Smolander, A., Spyroglou, G., Teixeira-Barcelos, E. B., Vanguelova, E. I., Verheyen, K., Vesterdal, L., Charru, M.
Issue&Volume: 2025-03-19
Abstract: Trees are an important carbon sink as they accumulate biomass through photosynthesis1. Identifying tree species that grow fast is therefore commonly considered to be essential for effective climate change mitigation through forest planting. Although species characteristics are key information for plantation design and forest management, field studies often fail to detect clear relationships between species functional traits and tree growth2. Here, by consolidating four independent datasets and classifying the acquisitive and conservative species based on their functional trait values, we show that acquisitive tree species, which are supposedly fast-growing species, generally grow slowly in field conditions. This discrepancy between the current paradigm and field observations is explained by the interactions with environmental conditions that influence growth. Acquisitive species require moist mild climates and fertile soils, conditions that are generally not met in the field. By contrast, conservative species, which are supposedly slow-growing species, show generally higher realized growth due to their ability to tolerate unfavourable environmental conditions. In general, conservative tree species grow more steadily than acquisitive tree species in non-tropical forests. We recommend planting acquisitive tree species in areas where they can realize their fast-growing potential. In other regions, where environmental stress is higher, conservative tree species have a larger potential to fix carbon in their biomass.
DOI: 10.1038/s41586-025-08692-x
Source: https://www.nature.com/articles/s41586-025-08692-x
Nature:《自然》,创刊于1869年。隶属于施普林格·自然出版集团,最新IF:69.504
官方网址:http://www.nature.com/
投稿链接:http://www.nature.com/authors/submit_manuscript.html