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data-url="http://www.xxzhm.cn/article/202302/110359.html" target="_self">投訴/報(bào)錯(cuò)</a> </div> </p> <div id="axfrwr5" class="reportbox" id="reportbox-110359"></div> <div id="srolxbq" class="newstext"> <p>小編常常去公園玩，公園里環(huán)境整潔，景色漂亮迷人。那么在公園可以踐踏草坪?jiǎn)幔?/p><p>最近陽(yáng)光明媚，不少市民外出踏青，公園是最適合主城區(qū)居民的休閑去處。那么<strong>在公園可以踐踏草坪?jiǎn)?/strong>？</p><p style="text-align: center;"><img src="https://img.lm263.com/2023-01/27448796870913.jpg" alt="在公園可以踐踏草坪?jiǎn)幔? /> </p><p>愛護(hù)花草樹木，人人有責(zé)，經(jīng)常踐踏草坪會(huì)造成土壤板結(jié)，從而影響小草的生長(zhǎng)。所以為了美觀，在公園里我們不能踐踏草坪及不能亂扔垃圾。</p><h2>草坪的作用</h2><p>一.美化環(huán)境，凈化空氣</p><p>碧綠茵茵的草坪，能給人一種靜謐的感覺，能開闊人的心胸，奔放人的感情。當(dāng)人們從喧嚷的鬧市，鼓噪的車間，勞累的學(xué)習(xí)生活、創(chuàng)作室移身到草坪環(huán)境，可使腦神經(jīng)系統(tǒng)從有刺激的壓抑狀態(tài)中解放出來(lái)，感到靜謐，倍感心曠神怡?？諝庵?0%的氧氣來(lái)自森林植物，每100平方米闊葉林，一天可吸收1000公斤的二氧化碳，釋放730公斤氧氣;而100平方米草地每天能吸收二氧化碳900公斤，釋放出氧氣600公斤。按此計(jì)算每人需要占有10平方米綠地。由于城市中工業(yè)機(jī)器、交通工具、燃料等放出大量二氧化碳大于人的呼吸量幾倍。因此，每人大致需要30-40平方米的綠地面積，才能保證市民經(jīng)常呼吸到新鮮空氣。</p><p>二.)調(diào)節(jié)小氣候，減輕環(huán)境污染，防止噪音草坪草能吸收太陽(yáng)的輻射熱能，降低溫度，提高空氣濕度，調(diào)節(jié)小氣候。據(jù)測(cè)定，夏天草坪的空氣濕度比裸地高10%-20%,地表溫度比裸地低3C以上，如在北京，夏天水泥地溫度高達(dá)38`C，草坪表面溫度可保持在24`C，太陽(yáng)射到地面的熱量，約50%被草坪吸收。冬季則相反，草坪溫度較裸地高0.8一4`C。屋頂平臺(tái)鋪植草皮或有地被植物，較工程降溫措施的隔熱板重量輕，費(fèi)用少，綠化效果好。</p><p>密植的草坪，是很好的空氣過(guò)濾器，某些草坪草能分泌一定的殺菌素，使空氣中的細(xì)菌含量減少。據(jù)測(cè)定，無(wú)草坪公共場(chǎng)所上空的細(xì)菌比草坪上空的細(xì)菌含量多3萬(wàn)倍。有些草坪草還能起到環(huán)境污染的指示作用。</p><p>草坪還具有很強(qiáng)的吸附和滯留粉塵的能力，草坪上空的粉塵量為裸地的1/3-1/6。冬季草坪枯黃后，草坪的粉塵比裸地少15%左右。</p><p>草坪對(duì)城市里二次揚(yáng)塵和減緩噪聲污染等也有較好效果。根據(jù)北京市園林研究所測(cè)定，20米寬的草坪可減噪音2分貝;250平方米草坪，四周為2-3米高多層桂花樹比同面積的石板路面減少噪音10分貝。在飛機(jī)場(chǎng)鋪建草坪可減少飛機(jī)場(chǎng)揚(yáng)塵與噪音，又能延長(zhǎng)發(fā)動(dòng)機(jī)壽命。</p><p>三.草坪是體育競(jìng)技場(chǎng)地的基礎(chǔ)</p><p>高爾夫球場(chǎng)、足球場(chǎng)、草地網(wǎng)球場(chǎng)、棒壘球場(chǎng)、草地保齡球場(chǎng)及賽馬場(chǎng)等草坪，是體育鍛煉與競(jìng)技比賽的基礎(chǔ)。場(chǎng)地草坪綠色宜人，對(duì)光線的吸收和反射都比較適中，不眩目，使人的眼睛感到柔和。場(chǎng)地只有鋪植草皮才能防止泥濘，晴天揚(yáng)塵也少。運(yùn)動(dòng)員即使摔傷也較裸地或塑膠場(chǎng)地輕微，傷口易于愈合。好的草坪場(chǎng)地能激勵(lì)運(yùn)動(dòng)員技術(shù)的最大發(fā)揮。</p><p>四.保持水土</p><p>土地是人類生存繁衍的最寶貴的不可替代的資源。不論公園、庭院、平坦地面或坡地，使用草坪和地被植物遮蔽地面，不讓黃見天，對(duì)保持水土，涵養(yǎng)水源，環(huán)境保護(hù)等是有效措施。在總降雨量為340毫米時(shí)，土壤沖刷量農(nóng)地為每平方米345克，草地為每平方米9.3克。據(jù)研究，在30度坡地上每小時(shí)降水量為20毫米，。當(dāng)植被覆蓋度為100%, 91%, 60%和31%時(shí)，土壤侵蝕度分別為0.110r6、10%和100 % ..</p><p>五.減少災(zāi)害</p><p>飛機(jī)場(chǎng)跑道的盡頭草坪，高速公路旁的緊急剎車草坪地等都具安全島功能。城市草坪在空曠的地面，距高樓遠(yuǎn)，是城市里的大安全島。</p><p>1923年日本關(guān)東大地震，震中烈度8.3級(jí)，地震又引起大火，東京、橫濱等城市死亡達(dá)巧萬(wàn)人。由于成群的人流逃到公園的草坪地，許多人得以幸免，被譽(yù)為城市安全島。飛機(jī)場(chǎng)跑道周圍荒地是鳥類繁衍活動(dòng)的場(chǎng)所，經(jīng)常出現(xiàn)鳥類撞機(jī)事件，草坪的鋪建減少了鳥類活動(dòng)，從而減少了人機(jī)傷亡事故。</p><p>草坪在園林中有著重要的地位?，F(xiàn)代化的建設(shè)要有一個(gè)良好的生態(tài)環(huán)境，把生態(tài)環(huán)境的惡性循環(huán)轉(zhuǎn)化為良性循環(huán)，根本出路在于大力種草植樹，改善生態(tài)環(huán)境，改變自然面貌。更多的<strong><b>公園安全小知識(shí)</b></strong>，盡在<strong>吱客網(wǎng)</strong>！</p> <div id="mv2wjoc" class="tags"><a href="/tags/etagid98267-0.html" target="_blank">公園安全隱患</a> <a href="/tags/etagid96773-0.html" target="_blank">公園安全知識(shí)</a> <a href="/tags/etagid98491-0.html" target="_blank">公園不文明行為</a> <a href="/tags/etagid101393-0.html" target="_blank">公園野炊</a> <a href="/tags/etagid98269-0.html" target="_blank">公園防盜</a> <a href="/tags/etagid98270-0.html" target="_blank">公園防蚊蟲</a> <a 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