地處“三江源”生態(tài)保護(hù)區(qū)的瑪沁縣

2014-09-01 11:59

來源:大西北網(wǎng)綜合作者:佚名點(diǎn)擊:次

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瑪沁縣地處青海省東南部，果洛藏族自治州東北部，系國(guó)家級(jí)“三江源”生態(tài)保護(hù)區(qū)。全縣2009年總面積1.34萬平方公里，其中草場(chǎng)面積1763.62萬畝，可利用草場(chǎng)面積1628.01萬畝，占草場(chǎng)面積的92.3%,屬典型的高原山地類型，平均海拔4100米以上。現(xiàn)轄6鄉(xiāng)2鎮(zhèn)35個(gè)行政村、96個(gè)牧業(yè)合作社。

瑪沁縣境內(nèi)多年生牧草的生長(zhǎng)期和平均氣溫穩(wěn)定通過0℃的初日均溫穩(wěn)定通過5℃的終日一致，故把日均溫穩(wěn)定通過0℃的初日定為初苗期，穩(wěn)定通過5℃的終日定為枯黃期。大武地區(qū)發(fā)芽、返青期一般在4月中旬，枯黃期在9月下旬，生長(zhǎng)期約150天。西部地區(qū)牧草發(fā)芽、返青期一般在5月上旬，枯黃期在9月上旬，生長(zhǎng)期約110天。

(責(zé)任編輯：鄭文)

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