国产午夜精品久久久久免费视-国产午夜三级-国产性大片黄在线观看在线放-国产性老妇女做爰在线-一区一精品-一区在线观看

鯨魚(yú)的英語(yǔ)作文

時(shí)間:2022-01-20 10:35:29 動(dòng)物類英語(yǔ)作文 我要投稿
  • 相關(guān)推薦

2016關(guān)于鯨魚(yú)的英語(yǔ)作文

  鯨魚(yú)不屬于魚(yú)類,是海洋中最大的生物。下面是語(yǔ)文迷為大家整理的關(guān)于鯨魚(yú)的英語(yǔ)作文,歡迎閱讀。

2016關(guān)于鯨魚(yú)的英語(yǔ)作文

  英語(yǔ)作文一:

  Nowadays, the whales is in danger. Because many countries kill them for different use, they are dying out. To protect our earth and ocean, especially the diversity of creatures. we must realize that we should take effective measures to protect them. If the whales died out, it would have an important influence on other animals in the sea. Also, the environment will be changed. I sincerely hope that we can make our effort to save them!

  英語(yǔ)作文二:

  In particular, is the giant whale mass stranding of whales is not uncommon, even in the same group of whales stranded in a few days in a row, but because it has always been hard to understand. According to the scientists speculate, as the whale to have a strong group of marine animals, and the scope of activities near the coast, so there are two possibilities: First, the leading whale sick, toward the beach, the other whales also customary to follow the whale to the Forward setting; Second, the whales chasing prey into the bank. When one or a few stranded whales, other whales will follow suit or to try to rescue, resulting in a large number of whales stranded at the same time on the same piece of the beach.

  英語(yǔ)作文三:

  Marine environment is one in water, seawater tolerance hydrolyzate and suspended solids, seabed sediment and marine organisms, including complex systems. Ocean rich biological resources, mineral resources, chemical resources and power resources is an indispensable resource treasure house of human beings, with human survival and development of the relationship very close.

  The main objective of the current marine conservation is to protect the living marine resources, so as not to failure, in order for human sustainable use. In particular, give priority to protect those valuable and critically endangered marine life. According to the UN for investigation, due to overfishing, accidental capture and killing of non-target to allow hunting of marine, coastal shoreline construction, mangrove deforestation, widespread marine pollution, at least the world's 25 most valuable fishery resources depleted, whales, sea turtles, manatees and many other marine animals face extinction risk. Is expected that with the expansion of the scale of ocean development,

  Marine living resources are likely to cause more damage.

  The task of the first marine protected right to stop over-exploitation of living marine resources and secondly to protect the habitat of marine life or habitat, in particular, their migration, spawning, foraging, avoiding predators coast, tidal flats, estuaries, coral reefs, it is necessary to prevent the heavy metals, pesticides, oil, organic and easy to produce nutrients such as eutrophication of marine pollution. Preservation of the marine living resources of the natural regeneration capacity and water purification capacity, preservation of the marine ecological balance, to ensure sustainable human development and utilization of the oceans.

  海洋環(huán)境是一種在水、海水、寬容和懸浮固體物水解液海洋底質(zhì)和海洋生物,包括復(fù)雜的系統(tǒng)。海洋豐富的生物資源、礦產(chǎn)資源、化工資源和電力資源是一個(gè)不可或缺的資源寶庫(kù)人類,與人類的生存和發(fā)展的關(guān)系非常密切。

  目前的首要目標(biāo)是保護(hù)海洋保護(hù)海洋資源,使生活不失敗,為了人類的持續(xù)使用。特別是,優(yōu)先保護(hù)那些有價(jià)值的、嚴(yán)重瀕臨滅絕的海洋生物。根據(jù)聯(lián)合國(guó)調(diào)查,由于過(guò)度捕撈,意外捕獲和殺害,對(duì)非靶標(biāo)生物的允許打獵、沿海岸線建設(shè)海洋、紅樹(shù)林森林砍伐,廣泛的海洋污染,至少世界上的25個(gè)最有價(jià)值的漁業(yè)資源枯竭、鯨魚(yú)、海龜、海牛和許多其它海洋動(dòng)物面臨滅絕的危險(xiǎn)。預(yù)計(jì),隨著規(guī)模的擴(kuò)大海洋開(kāi)發(fā),

  海洋生物資源,容易造成更大的傷害。

  這項(xiàng)任務(wù)的第一個(gè)海洋保護(hù)權(quán)利海洋資源的過(guò)度開(kāi)采生活停止,其次要能夠保護(hù)海洋生物的棲息地或愛(ài)必居,特別是它們的遷徙,產(chǎn)卵,覓食,躲避捕食者,潮汐河口海岸,公寓,珊瑚礁,這是必要的,以防止重金屬、農(nóng)藥、油、有機(jī)和容易產(chǎn)生富營(yíng)養(yǎng)化水體的營(yíng)養(yǎng)物質(zhì)如海洋污染。保護(hù)海洋生物資源的自然再生能力和水凈化能力、保存了海洋生態(tài)系統(tǒng)的平衡,以確保可持續(xù)人類開(kāi)發(fā)和利用的海洋。

主站蜘蛛池模板: 伊人久久大香线蕉综合热线 | 欧美综合久久 | 亚洲天堂网站 | 国产精品久久久久久久y | 999www成人| 日批日韩在线观看 | 精品视频vs精品视频 | 国产精品视频区 | 精品中文字幕制服中文 | 日日狠狠久久偷偷四色综合免费 | 韩国伦理剧在线看 | 成人国产精品免费视频 | 青草香蕉视频 | 最新中文字幕av专区 | 久青草国产在视频在线观看 | 国产片a| 日本成人三级 | 亚洲视频一区二区在线观看 | 我的性放荡生活小说 | 外国一级黄色毛片 | 欧美在线色图 | 国产成人宗合 | www.伊人| 欧美啊v在线 | 一级国产a级a毛片无卡 | 全黄一级裸片视频免费区 | 色老二导航| 性欧美13处丶14处 | 国产hd高清freexxxx | 日本一区二区三区在线观看视频 | 毛片在线免费 | 国产精亚洲视频 | 亚洲成人在线网 | 亚洲另类自拍丝袜第1页 | 丁香婷婷亚洲六月综合色 | 黄色在线看网站 | 精品国产成人 | 麻豆视传媒短视频网站-欢迎您 | 欧美a欧美乱码一二三四区 欧美a在线看 | 夫妻一级| 中文字幕av一区 |