Results 11 to 20 of about 4,362 (161)

Evaluating pollution‐related damage and restoration success in urban forests with participatory monitoring and digital tools

open access: yesConservation Biology, Volume 37, Issue 5, October 2023., 2023
Abstract Peri‐urban forest monitoring requires indicators of vegetation damage. An example is the sacred fir (Abies religiosa) forests surrounding Mexico City, which have been heavily exposed to tropospheric ozone, a harmful pollutant, for over 4 decades.
Verónica Reyes‐Galindo   +20 more
wiley   +1 more source

Retaining natural vegetation to safeguard biodiversity and humanity

open access: yesConservation Biology, Volume 37, Issue 3, June 2023., 2023
Abstract Global efforts to deliver internationally agreed goals to reduce carbon emissions, halt biodiversity loss, and retain essential ecosystem services have been poorly integrated. These goals rely in part on preserving natural (e.g., native, largely unmodified) and seminatural (e.g., low intensity or sustainable human use) forests, woodlands, and ...
Jeremy S. Simmonds   +19 more
wiley   +1 more source

Integrating genomics and conservation to safeguard plant diversity 整合基因组学与保护生物学研究,保护植物多样性

open access: yesIntegrative Conservation, Volume 2, Issue 1, Page 10-18, March 2023., 2023
Abstract Conserving genetic diversity has been increasingly recognized as a keystone towards the protection of biodiversity and natural resources for future generations of humankind. In turn, the ongoing genomic revolution provides us with the technical innovations and expanded knowledge required to establish programs to integrate genomic approaches ...
Harald Schneider
wiley   +1 more source

Effects of interactions between anthropogenic stressors and recurring perturbations on ecosystem resilience and collapse

open access: yesConservation Biology, Volume 37, Issue 1, February 2023., 2023
Abstract Insights into declines in ecosystem resilience and their causes and effects can inform preemptive action to avoid ecosystem collapse and loss of biodiversity, ecosystem services, and human well‐being. Empirical studies of ecosystem collapse are rare and hampered by ecosystem complexity, nonlinear and lagged responses, and interactions across ...
David A. Keith   +8 more
wiley   +1 more source

黄土高原植被变化与恢复潜力预测

open access: yesShuitu Baochi Xuebao, 2021
采用GIS技术与地统计方法,基于黄土高原2000—2018年的MODIS遥感影像,选取归一化植被指数探讨研究区植被时空变化特征,采用相似生境法预测黄土高原植被恢复潜力。结果表明:黄土高原2000—2018年低植被盖度区域面积减少,高植被覆盖度面积不断增加。黄河中游头道拐至龙门区间植被变化最为显著,平均增长速率为0.015~0.050/a,其中,延河上游、清涧河及秃尾河流域的植被盖度增长速率最高,均超过了0.015/a。受城市化影响,汾渭平原的下游干流区植被盖度显著降低 ...
赵广举   +5 more
doaj  

河口湿地红树林植被恢复对土壤养分动态的影响

open access: yesShuitu Baochi Xuebao, 2022
以泉州湾河口人工红树林湿地为研究对象,以光滩为对照,采集0—10,10—20,20—30 cm土层土壤,研究不同红树林恢复(桐花树、秋茄、秋茄-桐花树混交林)对河口湿地土壤pH、有机质及主要养分元素(氮磷钾)的影响。结果表明:不同植被恢复模式下土壤pH和有机质含量呈明显的垂直变化特征,相对于无植被的光滩(恢复前),红树林植被恢复显著降低了土壤pH (P<0.05),但增加了土壤有机质含量(P<0.05)。不同红树林恢复模式下,土壤碱解氮、有效磷、速效钾和全钾含量均大致表现为随土层深度的增加而增加 ...
乐易迅   +6 more
doaj   +2 more sources

Water-holding Capacity of Reclaimed Grassland with Different Ages in Karst Regions [PDF]

open access: yes, 2023
[Objective] The water-holding capacity of reclaimed grassland of different ages was studied in order to provide a scientific basis for water retention and soil and water conservation of reclaimed grassland in karst regions.
Li Xuemei   +3 more
core   +1 more source

植被恢复的土壤固碳效应:动态与驱动机制

open access: yesShuitu Baochi Xuebao, 2023
植被恢复是影响土壤有机碳库动态变化的关键过程之一,阐明植被恢复过程中土壤有机碳的固持动态及其驱动机制,是全球变化下碳循环研究的热点和前沿问题。本文综述了近年来国内外关于植被恢复过程中土壤有机碳固定动态及其驱动机制方面的研究,剖析植被恢复中土壤有机碳固持动态及其影响因素,探讨植物碳输入对土壤有机碳动态变化的影响机制,揭示植被恢复中土壤有机碳固定的物理、化学和微生物驱动机制,并对目前研究中存在的问题进行总结,进而提出关于植被恢复的土壤固碳效应研究,亟需在土壤有机碳组分的动态、微生物结构和功能,以及植物—土壤—
邓蕾   +3 more
doaj  

Global Research Progress Regarding Gully Erosion from 1991 to 2020 [PDF]

open access: yes, 2023
[Objective] The international research situation, current research status, and trends in research hotspots in the field of gully erosion at home and abroad from 1991 to 2020 were analyzed, and the development trends of gully erosion measurement ...
Duan Shengdan   +5 more
core   +1 more source

气候变化和人类活动对流域水文恢复力影响的研究进展

open access: yesShuitu Baochi Xuebao, 2022
水文恢复力是流域或生态系统维持水文稳定性的重要参考指标,深入研究植被结构和水文恢复力之间的关系是未来在全球变化背景下生态水文学的重要方向。但目前水文恢复力对气候变化与人类活动等不同干扰方式的响应机制还缺乏系统的研究,水文恢复力的形成机制及其与植被结构的关系也尚无全面的认识。系统总结了当前水文恢复力的主要概念,从水分利用效率、Budyko框架的水平衡、植被景观结构变化与受到干旱干扰的恢复时间等不同角度总结了5种主要的算法,分析了气候变化 ...
孙美荣   +3 more
doaj  

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