首页|ENSO impacts on litter stocks and water holding capacity in secondary forests in eastern Amazonia

ENSO impacts on litter stocks and water holding capacity in secondary forests in eastern Amazonia

扫码查看
Among the impacts of climate change,there is the intensification of phenomena such as the El Nino South-ern Oscillation(ENSO)responsible for El Nino and La Nina.However,understanding their effects on the functional pro-cesses of forests is limited.Therefore,this study evaluated the effects of ENSO on litter stock and water holding capac-ity(WHC)in a successional forest in eastern Amazonia.Evaluations occurred in periods with the most rainfall in El Nino(2019)and least in La Nina(2021)years.Twelve permanent plots were used to sample litter.ENSO effects were evident for WHC,higher during El Nino.However,this influence was not clear for litter,as only in the rainy season effects were found.There was a positive correla-tion of WHC with precipitation and humidity,while litter stocks were negatively correlated with temperature and wind speed.Although the subject of this study requires long-term assessments,preliminary results suggests that,depending on the intensity of ENSO,forest functional processes can be strongly impacted and altered.The conclusion reinforces warnings by the scientific community about the impacts of climate change on the maintenance of litter stocks,decom-position and,consequently,the biogeochemical cycle and essential ecosystem services for the maintenance of Ama-zonia biodiversity.The need to develop long-term research to understand the effects of climatic change on litter stocks and water holding capacity is highlighted,especially in Amazonia.

SeasonalityClimate changeSuccession ecosystemBiogeochemical cycleAmazonia biodiversity

Julia Isabella de Matos Rodrigues、Walmer Bruno Rocha Martins、Victor Pereira de Oliveira、Myriam Suelen da Silva Wanzerley、Hélio Brito dos Santos Júnior、Francisco de Assis Oliveira

展开 >

Graduate Program in Forestry Sciences,Av.Presidente Tancredo Neves,2501,Belém,Pará 66077-530,Brazil

Federal Rural University of Amazonia,Av.Presidente Tancredo Neves,2501,Belém,Pará 66077-530,Brazil

Federal Rural University of Amazonia,Tv.Pau-Amarelo,Capitão Poço,Pará 68650-000,Brazil

National Institute of Amazonia Research,Av.Constelação Cruzeiro do Sul,Manaus,Amazonas 69060-062,Brazil

展开 >

Coordena??o de Aperfei?oamento de Pessoal de Nível Superior Brazil(CAPES)Finance Code 001.A master's scholarship was granted by CAPES to JIMRdoctoral scholarship to VPO

Process 88887.716287/2022-00Process 88887.644953/2021-00

2024

林业研究(英文版)
东北林业大学,中国生态学学会

林业研究(英文版)

CSTPCDEI
影响因子:0.365
ISSN:1007-662X
年,卷(期):2024.35(1)
  • 39