湿地这种脆弱的生态系统变化昭示了自然界和人类威胁之间的微妙关系。科学家和工程技术人员正在寻求新的途径来重建自然水流以满足大沼泽地环境的需要。1993年12月湿地国家公园被列入濒危的世界遗产名录中，以便提醒人们对湿地环境所遭遇的种种威胁予以更加密切的关注，使这一脆弱的生态系统得以保存。  湿地的保护不仅仅是环境或是世界遗产的保护，它同时还是对当地主要淡水资源的保护，还是健康的海洋和河口环境的关键所在。公园还是以环境旅游业为生的当地人们的衣食来源。因而对公园的保护不仅具有科学上的意义，还具有经济意义。  莎草草原生机勃发。在薹草丛生处可以看到青蛙：在另一边，裂开似的荚果里是成群的蚱蜢。每逢夏天，热带斑纹蝴蝶便经常在这个硬木群落出没。水中生长着许多种鱼、蝌蚪及蜗牛等软体动物。大沼泽地含有大量水生物，是世界上一个鸟类圣地。 19世纪80年代，随着更多拓荒者涌人，成千上万只鸟儿被杀以供给羽毛。公元1905年，当局通过了一项法律以保护这一带被禁猎的鸟雀。现在有超过350种鸟雀在此栖息或经常到访，包括篦鹭、苍鹭、白鹭、白鹤及蛇鸟。潜伏的鳄鱼长达5米。
| post_id | 67,090,748 |
|---|---|
| author | allanlong |
| permlink | 7khumj |
| category | photography |
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| created | 2018-12-06 23:44:48 |
| last_update | 2018-12-06 23:44:48 |
| depth | 0 |
| children | 0 |
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| last_payout | 2018-12-13 23:44:48 |
| cashout_time | 1969-12-31 23:59:59 |
| total_payout_value | 19.013 SBD |
| curator_payout_value | 6.003 SBD |
| pending_payout_value | 0.000 SBD |
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| body_length | 811 |
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| root_title | 迈阿密湿地 |
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| percent_steem_dollars | 10,000 |
| author_curate_reward | "" |
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