粗糙的松树皮覆盖物作为开放式地表覆盖物未能改善已播种的原生草原的建立

IF 2.2 4区 环境科学与生态学 Q3 ECOLOGY
Paul Gibson-Roy, John Delpratt, Greg Moore
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引用次数: 0

摘要

这项研究在澳大利亚维多利亚州西南部的12个农业地点进行,涵盖了一系列土壤类型和气候条件。研究了在直接播种本地草原物种后,直接添加一层粗糙的有机松木屑覆盖物(表面覆盖率约70%)。其目的是模拟天然存在的有机表层垃圾(在这种环境中通常会被耗尽)对幼苗的出现和建立的积极影响。研究结果显示,与未覆盖的地块相比,在12个月或中等土壤温度和湿度的极端条件下,使用粗糙的松屑覆盖物的开放层未能改善当地的植被。这一结果表明,在直接播种的情况下,露天覆盖物的有效性可能高度依赖于场地环境、覆盖物类型和应用方法。在这种覆盖物应用不太可能有益的情况下,可以避免与购买和应用相关的重大成本。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Coarse pine bark mulch as open surface cover fails to improve establishment of sown native grasslands

This study was conducted across twelve agricultural locations in south-western Victoria, Australia, encompassing a range of soil types and climatic conditions. It investigated the addition of an open layer of coarse organic pine wood chip mulch (~70% surface cover) directly following direct seeding of native grassland species. The intent was to mimic positive effects of naturally occurring organic surface litter (which are typically depleted in such settings) on seedling emergence and establishment. Findings revealed negative results in that the use of an open layer of coarse pine chip mulch failed to improve native establishment at 12-months or to moderate soil temperature and moisture extremes in comparison to non-mulched plots. This outcome suggests the effectiveness of open surface mulches under the scenario of direct seeding may be highly site context, mulch-type, and application approach dependent. In situations where such mulch applications are not likely to be beneficial, significant costs relating to their purchase and application could be avoided.

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来源期刊
Ecological Management & Restoration
Ecological Management & Restoration Environmental Science-Management, Monitoring, Policy and Law
CiteScore
4.20
自引率
0.00%
发文量
0
期刊介绍: Ecological Management & Restoration is a peer-reviewed journal with the dual aims of (i) reporting the latest science to assist ecologically appropriate management and restoration actions and (ii) providing a forum for reporting on these actions. Guided by an editorial board made up of researchers and practitioners, EMR seeks features, topical opinion pieces, research reports, short notes and project summaries applicable to Australasian ecosystems to encourage more regionally-appropriate management. Where relevant, contributions should draw on international science and practice and highlight any relevance to the global challenge of integrating biodiversity conservation in a rapidly changing world. Topic areas: Improved management and restoration of plant communities, fauna and habitat; coastal, marine and riparian zones; restoration ethics and philosophy; planning; monitoring and assessment; policy and legislation; landscape pattern and design; integrated ecosystems management; socio-economic issues and solutions; techniques and methodology; threatened species; genetic issues; indigenous land management; weeds and feral animal control; landscape arts and aesthetics; education and communication; community involvement.
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