環(huán)評(píng)文獻(xiàn)閱讀-在線瀏覽
2024-07-29 19:31本頁(yè)面
【正文】 此不需要建專(zhuān)業(yè)保護(hù)設(shè)施，但應(yīng)定期對(duì)閘上、閘下水域水生生物種群變化情況進(jìn)行調(diào)查和跟蹤評(píng)價(jià)。由于永定新河現(xiàn)已兼負(fù)排污功能，水質(zhì)污染嚴(yán)重。 ? 碼頭建設(shè)生態(tài)保護(hù)措施 ? 新建碼頭位于海擋內(nèi)側(cè)，碼頭建成后，?？繚O船須進(jìn)行定期檢修，以減少跑油、漏油等對(duì)生態(tài)環(huán)境的影響。 ? 河道清淤工程生態(tài)保護(hù)措施 ? (1)施工期河道清淤工程的生態(tài)保護(hù) ? (2)運(yùn)營(yíng)期排泥場(chǎng)的生態(tài)保護(hù) 一 永定新河治理工程生態(tài)環(huán)境影響評(píng)價(jià) ? 5 結(jié)論 ? 永定新河一期治理工程是一項(xiàng)保障河道安全運(yùn)行、造福于社會(huì)的工程，具有顯著的社會(huì)、經(jīng)濟(jì)和環(huán)境效益。工程的實(shí)施雖對(duì)環(huán)境產(chǎn)生局部的不良影響，但通過(guò)采取相關(guān)的環(huán)境保護(hù)措施可以減免或減輕；從環(huán)境角度認(rèn)為，工程的建設(shè)是可行的。s Youngwol, Jeongseon,and Pyeongchang counties in Korea ? As previously stated, these kinds of environmental damages should be assessed in moary terms through the evaluation of various options that consist of different attributes and levels ? . Environmental attributes and payment vehicle The following environmental attributes were included in the choice sets: ? (1) Forest:the population of protected forests, ? (2) Fauna: the number of protected fauna species, ? (3) Flora: the number of protected flora species, ? (4) Remains: protection levels of historical remains ? . The choice sets ? As a result, 48 versions of the choice sets were constructed from the design and they were randomly divided into 12 blocks. ? . Questionnaire design ? The first part was intended to measure respondent39。 WTP for mitigating environmental impacts of the Tong River dam constr
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