Invasive Alien Species of Bangladesh

S. A. Mukul, Khan Mohammed Abu Sayed Arfin, M. Uddin
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引用次数: 1

Abstract

Bangladesh has a history of species introduction from different geographic regions. The country was a major trade route during the early-modern era and was under British colonial rule until 1947s. Many species of plants and animals are either domesticated or cultivated at different times that were brought into the country by the settlers, seamen, and traders. The deliberate preferences of fast-growing, high-yielding exotics in recent decades also threaten the existence of native species and their genetic resources in the country. Here we provide an overview of the invasive alien species in Bangladesh, likely pathways of their introduction, their impacts on ecosystem and people, and strategies for their effective management and regulation. Many exotic plants and animals both terrestrial and aquatic have found to be invasive in the country with negative impacts on local ecosystems, biodiversity, and livelihoods. Collectively, those species possess serious threats to country’s agriculture, forestry, and fisheries sector. Although initially introduced to favor primary productivity or other environmental benefits, many of these are now regarded as obnoxious pest or weed in Bangladesh. A comprehensive list of invasive species both for native and exotics and a framework to characterize them is also absent in the country. We recommend a separate statutory body and appropriate rules and policies for the introduction, monitoring, and management of alien species in the country. Community awareness, advocacy, surveillance, capacity building of relevant government staff and agreement with neighboring countries for transboundary management of invasive alien species is also necessary.
孟加拉国外来入侵物种
孟加拉国有从不同地理区域引进物种的历史。这个国家在近代早期是一个主要的贸易路线,直到1947年都处于英国的殖民统治之下。许多种类的植物和动物是在不同时期被驯化或栽培的,它们是由定居者、海员和商人带到这个国家的。近几十年来,对速生高产外来物种的刻意偏好也威胁到该国本土物种及其遗传资源的存在。本文概述了孟加拉国外来入侵物种的概况,它们可能的引入途径,对生态系统和人类的影响,以及有效管理和调控的策略。许多陆生和水生的外来动植物已被发现是入侵性的,对当地的生态系统、生物多样性和生计产生了负面影响。总的来说,这些物种对国家的农业、林业和渔业部门构成严重威胁。虽然最初是为了提高初级生产力或其他环境效益而引入的,但在孟加拉国,许多这些植物现在被视为令人讨厌的害虫或杂草。该国也没有一个全面的本地和外来入侵物种清单,也没有一个描述它们特征的框架。我们建议设立一个单独的法定机构和适当的规则和政策,以便在该国引进、监测和管理外来物种。社区意识、宣传、监测、相关政府工作人员的能力建设以及与邻国达成跨界管理外来入侵物种的协议也是必要的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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