菱角生物量估计使用密度作为代理:促进多年比较与精简的方法

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Jacob L. Moore, Mitchell O'Neall, Colleen Lutz, S. Pearson
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引用次数: 0

摘要

菱角(Trapa natans)是一种入侵的大型植物,对美国本土水生群落产生了负面影响。在纽约州,通过iMapInvasives监测荸荠的发生情况,iMapInvasives是一个公共数据库,包含所有记录的几个数据字段,例如分布类型(或分类密度)。生物量在iMapInvasives中不定期记录,但作为衡量初级生产、养分吸收和入侵影响的次要测量指标很重要。iMapInvasives中生物量数据的缺乏可以通过从记录中获取生物量信息的替代方法来解决。该项目的主要目标是开发方法,利用iMapInvasives数据库中测量的面积和观察到的分布类型来进行可比生物量估算。在2021年6月和7月对9个地点的荸荠进行了采样。记录了稀疏、密集和单一栽培的生长区域以及痕迹点。收集到的植物被清洗、测量和干燥,以获得每种分布类型的最终干生物量密度值。密度值在单一栽培中最高,在稀疏栽培中最低,但也因地点和日期的不同而不同。方差分析表明,不同分布类型的植株密度、莲座生长和莲座宽度存在差异。我们的菱角测量值被用于创建公式,可以使用iMapInvasives中的存在和分布类型数据来估计生物量。这些公式可能对寻求了解荸荠入侵影响和评估其丰度随时间变化的利益相关者和管理者有用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Water chestnut biomass estimates using density as a proxy: Facilitating multiyear comparisons with a streamlined approach
Water chestnut (Trapa natans) is an invasive macrophyte negatively impacting native aquatic communities in the United States. In New York state, water chestnut occurrence is monitored through iMapInvasives, a public database that includes several data fields for all records, such as distribution type (or categorical density). Biomass is not regularly recorded in iMapInvasives but is important as a secondary measurement to gauge primary production, nutrient uptake, and invasive impact. Lack of biomass data in iMapInvasives may be addressed with alternative methods of acquiring biomass information from records. The primary goal of this project was to develop methods that allow comparable biomass estimates to be made using a measured area and an observed distribution type in the iMapInvasives database. Nine locations were sampled for water chestnut in June and July 2021. Areas of sparse, dense, and monoculture growth were recorded along with trace points. Collected plants were cleaned, measured, and dried to obtain final dry biomass density values for each distribution type. Density values were highest in monocul-ture and lowest in sparse but also varied based on location and date. ANOVA testing indicated that plant density, rosette growth, and rosette width varied among distribution types. Our water chestnut measurements were used to create formulas that can estimate biomass using presence-and distribution-type data in iMapInvasives. These formulas may be useful for stakeholders and managers seeking to understand the invasive impact of water chestnut and assess its change in abundance over time.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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