Drought cuts back regeneration in logged tropical forests
Drought cuts back regeneration in logged tropical forests
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干旱减少了被砍伐的热带森林的再生
DOI：
10.1088/1748-9326/ab0783
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发表时间：
2019
影响因子：
6.7
通讯作者：
Qie L
中科院分区：
文献类型：
--
作者：
Qie L
砍伐的热带森林是保护生物多样性和固碳的重要机会，在实现全球森林恢复目标方面发挥着重要作用。如果放任不管，这些生态系统预计会经历自然再生并演替为古老的森林，但极端干旱事件可能会挑战这一过程。虽然古老的森林具有一定程度的恢复能力，但我们对伐木如何影响森林对干旱的反应缺乏了解。本研究基于 2015-16 年厄尔尼诺干旱前后监测的 73 个地块，研究了马来西亚沙巴州砍伐和未砍伐森林景观中的干旱-采伐相互作用对幼苗动态的影响。干旱增加了所有森林的幼苗死亡率，但这种影响的程度受到采伐强度的调节，冠层叶面积指数和地上生物量较低的森林遭受干旱引起的死亡率更高。此外，干旱后，砍伐严重的森林的群落特征变得更加粗鲁，这表明森林演替的轨迹已经逆转。这些结果表明，随着气候变化下再次出现严重干旱，超过一半生物量被砍伐的森林可能会遭受永久的演替停滞。因此，可能需要采取有针对性的管理干预措施，将脆弱森林的生物量提高到阈值以上。
Logged tropical forests represent a major opportunity for preserving biodiversity and sequestering carbon, playing a large role in meeting global forest restoration targets. Left alone, these ecosystems have been expected to undergo natural regeneration and succession towards old growth forests, but extreme drought events may challenge this process. While old growth forests possess a certain level of resilience, we lack understanding as to how logging may affect forest responses to drought. This study examines the drought–logging interaction in seedling dynamics within a landscape of logged and unlogged forests in Sabah Malaysia, based on 73 plots monitored before and after the 2015–16 El Niño drought. Drought increased seedling mortality in all forests, but the magnitude of this impact was modulated by logging intensity, with forests with lower canopy leaf area index and above-ground biomass experiencing greater drought induced mortality. Moreover, community traits in more heavily logged forests shifted towards being more ruderal after drought, suggesting that the trajectory of forest succession had been reversed. These results indicate that with reoccurring strong droughts under a changing climate, logged forests that have had over half of their biomass removed may suffer permanently arrested succession. Targeted management interventions may therefore be necessary to lift the vulnerable forests above the biomass threshold.
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从目标到实施：森林景观恢复国际治理视角
影响因子：
2.9
作者：
T. Pistorius;H. Freiberg
通讯作者：
H. Freiberg
东加里曼丹龙脑香科森林的采伐损害及其后续动态（1990-1996）
影响因子：
3.7
作者：
P. Sist;N. Nguyen
通讯作者：
N. Nguyen
印度尼西亚加里曼丹退化森林的碳储存潜力
影响因子：
6.7
作者：
A. Ferraz;Sassan Saatchi;Liang Xu;S. Hagen;J. Chave;Yifan Yu;V. Meyer;Mariano García;C. Silva;Orbita Roswintiart;A. Samboko;P. Sist;S. Walker;T. Pearson;A. Wijaya;F. Sullivan;E. Rutishauser;D. Hoekman;S. Ganguly
通讯作者：
S. Ganguly
热带森林的可持续管理可以减少碳排放并稳定木材生产
影响因子：
4.6
作者：
N. Sasaki;G. Asner;Yude Pan;W. Knorr;P. Durst;Hwan;Issei Abe;A. Lowe;L. P. Koh;F. Putz
通讯作者：
F. Putz
DOI：
10.1098/rstb.2012.0302
发表时间：
2013
期刊：
Philosophical transactions of the Royal Society of London. Series B, Biological sciences
影响因子：
--
作者：
Gourlet-Fleury S;Mortier F;Fayolle A;Baya F;Ouédraogo D;Bénédet F;Picard N
通讯作者：
Picard N