Combining long-term field data and remote sensing to test how tree diversity influences aboveground biomass recovery in logged tropical forests

结合长期实地数据和遥感来测试树木多样性如何影响被砍伐的热带森林的地上生物量恢复

基本信息

  • 批准号:
    NE/X000281/1
  • 负责人:
  • 金额:
    $ 82.88万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2023
  • 资助国家:
    英国
  • 起止时间:
    2023 至 无数据
  • 项目状态:
    未结题

项目摘要

The over-arching goal of this project is to test the unanswered question of whether the functioning of tropical forest ecosystems-such as how much biomass they produce-depends on how diverse they are and therefore whether replanting degraded forests with diverse mixtures of species can accelerate their recovery and help fund replanting costs through carbon credits.Tropical forests are being lost all over the world and of the remaining area more is degraded secondary forest than undisturbed old growth. This degradation occurs largely through selective logging which has negative effects of the functioning of the forest (e.g. how productive it is and how much carbon it stores) as well as on its biodiversity. This is important because work outside of the tropics in ecosystems like temperate grasslands has demonstrated a positive relationship between biodiversity and a range of ecosystem functions, including primary productivity. However, the challenges of scientific research in the tropics mean we have much less evidence of whether there is a positive relationship between levels of tree diversity and aboveground biomass production in tropical forest ecosystems. Indeed, some ecological theory suggests that species in these ecosystems are so similar ecologically that many species could be lost with little or no impact on how these ecosystems function. Twenty years ago, we started a collaboration with local foresters, conservationists and scientists in Sabah (Malaysian Borneo) to set up a long-term experiment to test whether there is a relationship between biodiversity and ecosystem functioning in these tropical forest ecosystems. The project, the Sabah Biodiversity Experiment, is one of the world's largest ecological experiments, making it of particular relevance to real-world efforts to restore and sustainably manage tropical forests. The experiment has adopted the existing forest restoration activity of 'enrichment planting' to plant more than 100,000 seedlings of native tree species across an area of 500 hectares of logged forest, allowing the recovery rates of naturally regenerating control plots to be robustly compared with those planted with different diversities (1, 4 or 16 species) and mixtures of tree species. We will assess restoration progress relative to nearby old growth forest, especially the neighbouring undisturbed area where we have repeatedly mapped and measured every tree within a 50-hectare area (the Danum Valley ForestGeo Plot) as part of a global network to monitor forest health.The large size of our research plots means they are difficult to repeatedly monitor in fine detail using traditional field methods. We will therefore combine targeted field sampling with cutting-edge remote sensing technologies to explore how tree enrichment planting has shaped the recovery of canopy structure, aboveground carbon stocks and plant diversity across hundreds of hectares of degraded forest. Our project will take advantage of existing data acquired for our study sites using two complementary technologies: LiDAR and satellite remote sensing. Airborne LiDAR uses a laser mounted on an airplane or helicopter to precisely measure the height of the vegetation and reconstruct the 3D structure of the forest canopy and underlying terrain in exquisite detail, allowing forest carbon stocks to be accurately mapped across entire landscapes. To get a more detailed and longer-term picture, the project will also use freely available satellite timeseries data (Sentinel 1-2, Landsat 8 and PlanetScope imagery) to map annual changes in forest aboveground carbon stocks (using Google Earth Engine).In the final phase we will work with local partners including the Sabah Forestry Department on a cost-benefit analysis of forest restoration and communicate these results so that they can inform their local and regional management policies for the conservation and restoration of forests and the carbon that they store.
该项目的总体目标是测试一个悬而未决的问题,即热带森林生态系统的功能--如它们产生多少生物量--是否取决于它们的多样性,从而重新种植具有不同物种混合的退化森林是否可以加速它们的恢复,并通过碳信用为重新种植费用提供资金。世界各地的热带森林都在丧失,剩下的地区更多的是退化的次生林,而不是未受干扰的老树。这种退化主要是通过选择性采伐发生的,这对森林的功能(例如,它的生产力有多高,它储存了多少碳)以及它的生物多样性产生了负面影响。这一点很重要,因为在热带以外的温带草原等生态系统中的工作表明,生物多样性与包括初级生产力在内的一系列生态系统功能之间存在正向关系。然而,热带科学研究的挑战意味着,我们对热带森林生态系统中树木多样性水平与地上生物量生产之间是否存在正向关系的证据要少得多。事实上,一些生态学理论表明,这些生态系统中的物种在生态上是如此相似,以至于许多物种可能会消失,而对这些生态系统的功能影响很小或没有影响。20年前,我们开始与沙巴州(马来西亚婆罗洲)的当地森林管理员、自然资源保护者和科学家合作,建立一个长期实验,以测试这些热带森林生态系统中的生物多样性和生态系统功能之间是否存在关系。该项目名为沙巴生物多样性实验,是世界上最大的生态实验之一,因此与现实世界恢复和可持续管理热带森林的努力特别相关。该试验采用了现有的森林恢复活动,在500公顷的原木林地上种植了10多万株乡土树种的苗木,使自然更新对照样地的恢复率与种植不同多样性(1、4或16种)和树种混交的林地相比强劲。我们将评估与附近老树林相关的恢复进度,特别是邻近的未受干扰的地区,在那里,我们作为监测森林健康的全球网络的一部分,反复绘制和测量50公顷区域内的每一棵树(Danum山谷ForestGeo地块)。我们的研究地块规模很大,这意味着很难使用传统的现场方法重复进行详细监测。因此,我们将结合有针对性的实地采样和尖端遥感技术,探索树木增厚种植如何影响数百公顷退化森林的树冠结构、地上碳储量和植物多样性的恢复。我们的项目将利用为我们的研究地点使用两项互补技术--激光雷达和卫星遥感--获得的现有数据。机载激光雷达使用安装在飞机或直升机上的激光来精确测量植被的高度,并以精致的细节重建森林树冠和底层地形的3D结构,从而能够准确绘制整个景观的森林碳储量图。为了获得更详细和更长期的图像,该项目还将使用免费获得的卫星时间序列数据(Sentinel 1-2、Landsat 8和PlanetScope Imagery)绘制森林地上碳储量的年度变化图(使用谷歌地球引擎)。在最后阶段,我们将与包括沙巴州林业部在内的当地合作伙伴合作,对森林恢复进行成本效益分析,并将这些结果传达出去,以便他们能够为当地和地区保护和恢复森林及其储存的碳的管理政策提供信息。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Andrew Hector其他文献

Watching Grass Grow: Long-term Visual Navigation and Mission Planning for Autonomous Biodiversity Monitoring
观察草的生长:自主生物多样性监测的长期视觉导航和任务规划
  • DOI:
    10.48550/arxiv.2404.10446
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Matthew Gadd;Daniele De Martini;Luke Pitt;Wayne Tubby;Matthew Towlson;Chris Prahacs;Oliver Bartlett;John Jackson;Man Qi;Paul Newman;Andrew Hector;Roberto Salguero;Nick Hawes
  • 通讯作者:
    Nick Hawes
Strikingly high effect of geographic location on fauna and flora of European agricultural grasslands
  • DOI:
    10.1016/j.baae.2015.04.003
  • 发表时间:
    2015-06-01
  • 期刊:
  • 影响因子:
  • 作者:
    Gisela Lüscher;Philippe Jeanneret;Manuel K. Schneider;Andrew Hector;Michaela Arndorfer;Katalin Balázs;András Báldi;Debra Bailey;Jean-Philippe Choisis;Peter Dennis;Sebastian Eiter;Zoltán Elek;Wendy Fjellstad;Phillipa K. Gillingham;Maximilian Kainz;Anikó Kovács-Hostyánszki;Kurt-Jürgen Hülsbergen;Maurizio G. Paoletti;Susanne Papaja-Hülsbergen;Jean-Pierre Sarthou
  • 通讯作者:
    Jean-Pierre Sarthou
Effect of climate on traits of dominant and rare tree species in the world’s forests
气候对世界森林中优势树种和珍稀树种特征的影响
  • DOI:
    10.1038/s41467-025-59754-7
  • 发表时间:
    2025-05-22
  • 期刊:
  • 影响因子:
    15.700
  • 作者:
    Iris Hordijk;Lourens Poorter;Jingjing Liang;Peter B. Reich;Sergio de-Miguel;Gert-Jan Nabuurs;Javier G. P. Gamarra;Han Y. H. Chen;Mo Zhou;Susan K. Wiser;Hans Pretzsch;Alain Paquette;Nicolas Picard;Bruno Hérault;Jean-Francois Bastin;Giorgio Alberti;Meinrad Abegg;Yves C. Adou Yao;Angelica M. Almeyda Zambrano;Braulio V. Alvarado;Esteban Alvarez-Davila;Patricia Alvarez-Loayza;Luciana F. Alves;Iêda Amaral;Christian Ammer;Clara Antón-Fernández;Alejandro Araujo-Murakami;Luzmila Arroyo;Valerio Avitabile;Gerardo A. Aymard C;Timothy Baker;Olaf Banki;Jorcely Barroso;Meredith L. Bastian;Luca Birigazzi;Philippe Birnbaum;Robert Bitariho;Pascal Boeckx;Frans Bongers;Olivier Bouriaud;Pedro H. S. Brancalion;Susanne Brandl;Francis Q. Brearley;Roel Brienen;Eben N. Broadbent;Helge Bruelheide;Roberto Cazzolla Gatti;Ricardo G. Cesar;Goran Cesljar;Robin L. Chazdon;Chelsea Chisholm;Emil Cienciala;Connie J. Clark;David B. Clark;Gabriel Colletta;David Coomes;Fernando Cornejo Valverde;Jose J. Corral-Rivas;Philip Crim;Jonathan Cumming;Selvadurai Dayanandan;André L. de Gasper;Mathieu Decuyper;Géraldine Derroire;Ben DeVries;Ilija Djordjevic;Aurélie Dourdain;Jiri Dolezal;Nestor Laurier Engone Obiang;Brian Enquist;Teresa Eyre;Adandé Belarmain Fandohan;Tom M. Fayle;Leandro V. Ferreira;Ted R. Feldpausch;Leena Finér;Markus Fischer;Christine Fletcher;Lorenzo Frizzera;Damiano Gianelle;Henry B. Glick;David Harris;Andrew Hector;Andreas Hemp;John Herbohn;Annika Hillers;Eurídice N. Honorio Coronado;Cang Hui;Hyunkook Cho;Thomas Ibanez;Ilbin Jung;Nobuo Imai;Andrzej M. Jagodzinski;Bogdan Jaroszewicz;Vivian Johannsen;Carlos A. Joly;Tommaso Jucker;Viktor Karminov;Kuswata Kartawinata;Elizabeth Kearsley;David Kenfack;Deborah Kennard;Sebastian Kepfer-Rojas;Gunnar Keppel;Mohammed Latif Khan;Timothy Killeen;Hyun Seok Kim;Kanehiro Kitayama;Michael Köhl;Henn Korjus;Florian Kraxner;Diana Laarmann;Mait Lang;Simon Lewis;Huicui Lu;Natalia Lukina;Brian Maitner;Yadvinder Malhi;Eric Marcon;Beatriz Schwantes Marimon;Ben Hur Marimon-Junior;Andrew Robert Marshall;Emanuel Martin;Olga Martynenko;Jorge A. Meave;Omar Melo-Cruz;Casimiro Mendoza;Cory Merow;Stanislaw Miscicki;Abel Monteagudo Mendoza;Vanessa Moreno;Sharif A. Mukul;Philip Mundhenk;Maria G. Nava-Miranda;David Neill;Victor Neldner;Radovan Nevenic;Michael Ngugi;Pascal A. Niklaus;Jacek Oleksyn;Petr Ontikov;Edgar Ortiz-Malavasi;Yude Pan;Alexander Parada-Gutierrez;Elena Parfenova;Minjee Park;Marc Parren;Narayanaswamy Parthasarathy;Pablo L. Peri;Sebastian Pfautsch;Oliver L. Phillips;Maria Teresa Piedade;Daniel Piotto;Nigel C. A. Pitman;Martina Pollastrini;Irina Polo;Axel Dalberg Poulsen;John R. Poulsen;Freddy Ramirez Arevalo;Zorayda Restrepo-Correa;Mirco Rodeghiero;Samir Rolim;Anand Roopsind;Francesco Rovero;Ervan Rutishauser;Purabi Saikia;Christian Salas-Eljatib;Peter Schall;Dmitry Schepaschenko;Michael Scherer-Lorenzen;Bernhard Schmid;Jochen Schöngart;Eric B. Searle;Vladimír Seben;Federico Selvi;Josep M. Serra-Diaz;Douglas Sheil;Anatoly Shvidenko;Javier Silva-Espejo;Marcos Silveira;James Singh;Plinio Sist;Ferry Slik;Bonaventure Sonké;Alexandre F. Souza;Hans ter Steege;Krzysztof Stereńczak;Jens-Christian Svenning;Miroslav Svoboda;Ben Swanepoel;Natalia Targhetta;Nadja Tchebakova;Raquel Thomas;Elena Tikhonova;Peter Umunay;Vladimir Usoltsev;Renato Valencia;Fernando Valladares;Fons van der Plas;Tran Van Do;Michael E. Van Nuland;Rodolfo Vasquez Martinez;Hans Verbeeck;Helder Viana;Alexander C. Vibrans;Simone Vieira;Klaus von Gadow;Hua-Feng Wang;James Watson;Gijsbert D. A. Werner;Florian Wittmann;Verginia Wortel;Roderick Zagt;Tomasz Zawila-Niedzwiecki;Chunyu Zhang;Xiuhai Zhao;Zhi-Xin Zhu;Irie Casimir Zo-Bi;Daniel S. Maynard;Thomas W. Crowther
  • 通讯作者:
    Thomas W. Crowther
Tree diversity reduces pathogen damage in temperate forests: A systematic review and meta-analysis
树木多样性降低温带森林中的病原体损害:系统综述与荟萃分析
  • DOI:
    10.1016/j.foreco.2024.122398
  • 发表时间:
    2025-02-15
  • 期刊:
  • 影响因子:
    3.700
  • 作者:
    Elsa Field;Andrew Hector;Nadia Barsoum;Julia Koricheva
  • 通讯作者:
    Julia Koricheva
Enhancing Tree Performance Through Species Mixing: Review of a Quarter-Century of TreeDivNet Experiments Reveals Research Gaps and Practical Insights
通过物种混合提高树木性能:对四分之一世纪的 TreeDivNet 实验的回顾揭示了研究差距和实践见解
  • DOI:
    10.1007/s40725-023-00208-y
  • 发表时间:
    2024-01-26
  • 期刊:
  • 影响因子:
    7.200
  • 作者:
    Leen Depauw;Emiel De Lombaerde;Els Dhiedt;Haben Blondeel;Luis Abdala-Roberts;Harald Auge;Nadia Barsoum;Jürgen Bauhus;Chengjin Chu;Abebe Damtew;Nico Eisenhauer;Marina V. Fagundes;Gislene Ganade;Benoit Gendreau-Berthiaume;Douglas Godbold;Dominique Gravel;Joannès Guillemot;Peter Hajek;Andrew Hector;Bruno Hérault;Hervé Jactel;Julia Koricheva;Holger Kreft;Xiaojuan Liu;Simone Mereu;Christian Messier;Bart Muys;Charles A. Nock;Alain Paquette;John D. Parker;William C. Parker;Gustavo B. Paterno;Michael P. Perring;Quentin Ponette;Catherine Potvin;Peter B. Reich;Boris Rewald;Michael Scherer-Lorenzen;Florian Schnabel;Rita Sousa-Silva;Martin Weih;Delphine Clara Zemp;Kris Verheyen;Lander Baeten
  • 通讯作者:
    Lander Baeten

Andrew Hector的其他文献

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{{ truncateString('Andrew Hector', 18)}}的其他基金

Next generation ammonia synthesis: a highly integrated computational modelling and experimental approach
下一代氨合成:高度集成的计算建模和实验方法
  • 批准号:
    EP/T028416/1
  • 财政年份:
    2021
  • 资助金额:
    $ 82.88万
  • 项目类别:
    Research Grant
Enabling microfocus & thin film X-ray scattering at the University of Southampton
启用微焦点
  • 批准号:
    EP/K009877/1
  • 财政年份:
    2013
  • 资助金额:
    $ 82.88万
  • 项目类别:
    Research Grant
Controlled ensemble size - a new approach in nitride catalysis
受控系综尺寸——氮化物催化的新方法
  • 批准号:
    EP/J019208/1
  • 财政年份:
    2012
  • 资助金额:
    $ 82.88万
  • 项目类别:
    Research Grant

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  • 财政年份:
    2024
  • 资助金额:
    $ 82.88万
  • 项目类别:
    Standard Grant
Doctoral Dissertation Research: Long Term Environmental Effects of Metallurgy
博士论文研究:冶金的长期环境影响
  • 批准号:
    2420185
  • 财政年份:
    2024
  • 资助金额:
    $ 82.88万
  • 项目类别:
    Standard Grant
Improving long term forecasts of tree growth in carbon farming projects
改善碳农业项目中树木生长的长期预测
  • 批准号:
    LP230100049
  • 财政年份:
    2024
  • 资助金额:
    $ 82.88万
  • 项目类别:
    Linkage Projects
Defining pathways that control T cell lifespan for long-term immunity
定义控制 T 细胞寿命的途径以实现长期免疫
  • 批准号:
    DP240102812
  • 财政年份:
    2024
  • 资助金额:
    $ 82.88万
  • 项目类别:
    Discovery Projects
Constraints on the tempo and magnitude of explosive volcanism: facilitating long-term ash fall hazard assessments
对爆发性火山活动的速度和强度的限制:促进长期火山灰坠落危险评估
  • 批准号:
    MR/Y011767/1
  • 财政年份:
    2024
  • 资助金额:
    $ 82.88万
  • 项目类别:
    Fellowship
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