欧美精品在线第一页,久久av影院,午夜视频在线播放一三,久久91精品久久久久久秒播,成人一区三区,久久综合狠狠综合久久狠狠色综合,成人av一区二区亚洲精,欧美a级在线观看

        Tanzania launches aerial wildlife census in Selous-Mikumi ecosystem

        Source: Xinhua| 2018-10-31 20:20:42|Editor: xuxin
        Video PlayerClose

        DAR ES SALAAM, Oct. 31 (Xinhua) -- Tanzania on Wednesday launched an aerial wildlife census in the Selous-Mikumi ecosystem, targeting large mammals like elephants and buffalo.

        The census is conducted by state-owned Tanzania Wildlife Research Institute (TAWIRI), the Tanzania Wildlife Management Authority (TAWA), and the Tanzania National Park (TANAPA), in collaboration with Frankfurt Zoological Society (FZS).

        "The census targets large mammals, such as elephants and buffalo, and will estimate wildlife populations, their distribution as well as signs of illegal human activities in the Selous Game Reserve, Mikumi National Park and the Selous-Niassa corridor," said an FZS statement.

        Aerial wildlife censuses in the Selous-Mikumi Ecosystem have been conducted every three to four years since 1976.

        The overall coverage of the Selous-Mikumi Aerial Wildlife Census is approximately 110,000 square km.

        The latest census was initially planned to be conducted in 2017, but had to be postponed due to excessive tree canopy cover that hampers aerial survey visibility, the statement said.

        TAWIRI, the leading organization in the census, said the current conditions allowed the assessment to be successfully completed and provide reliable data for the estimate of wildlife populations and trends in the Selous-Mikumi Ecosystem.

        Selous Game Reserve has faced many conservation challenges in recent decades, the statement said, adding that subsequent to the massive decline of elephants in the late 1970s and 1980s, elephant population estimates dropped from approximately 109,000 to 31,889.

        Elephant numbers showed recovery later, reaching an estimated 65,000 individuals in 2006, it added.

        The most recent surge in poaching occurred in the late 2000s and early 2010s, driven by soaring demand for ivory, cut elephant population estimates to 14,867 in 2014, according to the statement.

        "Selous Game Reserve was placed on the list of World Heritage in Danger in 2014 mainly due to the poaching threat," said the statement.

        Tanzania has since made great strides in curbing poaching and strengthening the Selous Game Reserve management and protection, including the establishment of Tanzania Wildlife Management Authority, improved law enforcement, and intensive anti-poaching initiatives that include regular aerial surveillance, the statement added.

        TOP STORIES
        EDITOR’S CHOICE
        MOST VIEWED
        EXPLORE XINHUANET
        010020070750000000000000011100001375722821
        主站蜘蛛池模板: 精品国产一区在线| 亚洲精品国产suv| 欧美一区二区三区免费电影| 中文字幕制服狠久久日韩二区 | 国产日韩欧美精品一区二区| 国产无遮挡又黄又爽又色视频| 国产在线干| 午夜肉伦伦影院九七影网| 国产午夜精品一区二区三区欧美| 久久精品麻豆| 91久久久久久亚洲精品禁果| sb少妇高潮二区久久久久| 在线观看欧美日韩国产| 91麻豆国产自产在线观看hd| 国产丝袜一区二区三区免费视频| 处破大全欧美破苞二十三| 91高清一区| 国产精品日韩精品欧美精品| 欧美日韩偷拍一区| 亚洲一级中文字幕| 国产片91| 亚洲影院久久| 亚洲精品一区在线| 欧洲国产一区| 久久99亚洲精品久久99果| 99热一区二区| 国产日韩欧美三级| 欧美一区二区三区黄| 一区二区三区国产精品| 国产日韩一区在线| 国产精品对白刺激久久久| 亚洲一区二区三区加勒比| 亚洲精品456在线播放| 一区二区久久精品| 96国产精品| 国产精品美女久久久免费| 国产精品黑色丝袜的老师| 国产欧美一区二区三区免费| 电影91久久久| 欧美日韩一区免费| 欧美日韩中文字幕一区二区三区| 91丝袜国产在线播放| 亚洲欧美一卡| 福利片91| 精品国产乱码久久久久久老虎| av不卡一区二区三区| 午夜av男人的天堂| 午夜激情看片| 国产精品精品国内自产拍下载| 国产亚洲精品久久19p| 97久久精品人人做人人爽 | 国产日韩欧美精品一区二区 | 国产精品乱战久久久| 久久夜靖品2区| 日韩精品在线一区二区三区| 国产精品18久久久久久白浆动漫| 国产国产精品久久久久| 97人人澡人人爽人人模亚洲| 激情久久综合| 国产精品午夜一区二区| 欧美日韩一区二区三区在线播放 | 日韩一区免费| 91片在线观看| 欧美激情片一区二区| 日韩精品一区二区免费| 欧美一区二区三区高清视频| 日韩久久精品一区二区三区| 国产精品一区二区在线看| 羞羞视频网站免费| www.午夜av| 国产天堂第一区| 日本五十熟hd丰满| 欧美性二区| 久久天堂国产香蕉三区| 中文字幕制服丝袜一区二区三区| 久久久久国产亚洲| 九一国产精品| 狠狠色噜噜狠狠狠狠色吗综合| 久久久午夜爽爽一区二区三区三州| 高清国产一区二区 | 久精品国产| 国产一区二区麻豆| 999久久久国产精品| 国产精品高潮呻吟三区四区| 欧美一级日韩一级| 免费91麻豆精品国产自产在线观看| 91日韩一区二区三区| 亚洲精品卡一卡二| 久久噜噜少妇网站| 久久国产精品99国产精| 91精品啪在线观看国产手机| 日本精品视频一区二区三区| 国产免费区| 久久综合国产伦精品免费| 国产精品久久久不卡| 69精品久久| 97视频精品一二区ai换脸| 精品一区二区三区影院| 欧美系列一区二区| 天摸夜夜添久久精品亚洲人成| 一区二区三区国产精品视频| 久久国产这里只有精品| 色婷婷久久一区二区三区麻豆| 久久99精品国产99久久6男男| 日本99精品| 欧美一区二区三区免费播放视频了| 日韩欧美国产高清91| 国产电影一区二区三区下载| 日本五十熟hd丰满| 欧美一区久久久| 国产精品理人伦一区二区三区 | 狠狠色噜噜狠狠狠狠综合久| 91一区二区三区视频| 国产欧美精品一区二区三区小说 | 挺进警察美妇后菊| 午夜av网址| 亚洲**毛茸茸| 国产超碰人人模人人爽人人添| 国产精品久久二区| 日韩精品一区二区三区免费观看视频| 国91精品久久久久9999不卡| 国模一区二区三区白浆| 亚洲精品人| 亚洲色欲色欲www| 欧美乱战大交xxxxx| 午夜黄色网址| 欧美精选一区二区三区| 国产精品区一区二区三| 午夜无人区免费网站| 精品久久久久久中文字幕大豆网| 国产精品高潮在线| 999久久国精品免费观看网站| 久久综合激情网| 538国产精品| 久久精品手机视频| 91精品视频在线观看免费| 色一情一交一乱一区二区三区| 狠狠色噜噜狠狠狠狠| 91丝袜国产在线观看| 日本一区二区三区中文字幕| 久久久久国产精品免费免费搜索 | а√天堂8资源中文在线| 麻豆国产一区二区三区| 视频一区二区中文字幕| 国产欧美精品va在线观看| 色噜噜狠狠色综合影视| 亚洲欧洲日韩在线| 日韩久久电影| 精品国产仑片一区二区三区| 国产精品v欧美精品v日韩精品v| 思思久久96热在精品国产| 色妞妞www精品视频| 国产原创一区二区| 国产一区二区在线91| 亚洲一区欧美| 久久亚洲精品国产日韩高潮| 99re6国产露脸精品视频网站| 国产欧美日韩一区二区三区四区 | 日本神影院一区二区三区| 国产极品一区二区三区| 国产午夜精品一区二区三区视频| 日本精品一二三区| 性色av色香蕉一区二区| 亚洲欧美另类久久久精品2019| 91av一区二区三区| 不卡在线一区二区| 热久久一区二区| 久久99精品久久久秒播| 日本一区二区三区四区高清视频| 亚洲制服丝袜中文字幕| 91精品久久久久久| 午夜天堂电影| 少妇中文字幕乱码亚洲影视| 亚洲精品乱码久久久久久按摩 | 国产一区在线视频播放| 国产一级一片免费播放| 国产乱xxxxx97国语对白| 国产午夜精品一区二区三区在线观看 | 日韩毛片一区| 97久久精品人人澡人人爽| 欧美一区二区性放荡片| 欧美日韩一区不卡| 久久网站精品| 精品中文久久| 久久精品—区二区三区| 国产精品你懂的在线| av毛片精品| 久久福利免费视频| 99国产精品久久久久| 亚洲精品人| 99日本精品| 欧美乱妇高清无乱码| 最新国产一区二区| 国产一区二区视频免费观看| 午夜一区二区视频| 国产九九影院| 国产综合亚洲精品| 亚洲国产偷| 日本精品一区在线| 日韩欧美一区精品| 中文字幕一区一区三区| 99精品一级欧美片免费播放| 亚洲麻豆一区| 国产一区亚洲一区| 亚洲一区欧美| 精品国产二区三区| 夜色av网| 精品午夜电影| 日韩精品中文字幕一区二区三区 | 国产在线干| 久久国产欧美一区二区三区免费| 视频一区二区三区欧美| 日韩av一区不卡| 岛国黄色网址| 国产品久久久久久噜噜噜狼狼| 国产人澡人澡澡澡人碰视| 欧美一区二区在线不卡| 91免费视频国产| 久久福利免费视频| 蜜臀久久99精品久久久久久网站| 欧美一区二区久久久| 国产精品免费一视频区二区三区 | 欧美一区二区三区久久精品视 | 韩国女主播一区二区| av午夜在线| 亚洲精品主播| 在线观看黄色91| 日韩av在线影视| 国产极品美女高潮无套久久久| 国产一区二区综合| 国产一区二区视频播放| 国产精品第157页| 国产日韩欧美三级| 另类视频一区二区| 午夜情所理论片| 香港三日三级少妇三级99| 丝袜诱惑一区二区三区| 国产精品v欧美精品v日韩精品v| 国产偷亚洲偷欧美偷精品| 国产在线一卡二卡| 亚洲精品卡一| **毛片在线| 亚洲精品国产一区| 亚洲精品少妇一区二区| 色午夜影院| 久久国产这里只有精品|