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FishBase | সম্পূর্ণ | Literature | Reference | |||
---|---|---|---|---|---|---|
প্রজাতি | গোত্র সমূহ | প্রজাতি | গোত্র সমূহ | |||
সামুদ্রিক | 583 | 180 | No | |||
স্বাদু পানি | 2 | 2 | No | |||
মোট | 624 | 191 | No |
সংরক্ষণ | Tonga’s main environmental concern is the contamination of groundwater and surface-water supplies by pesticides and leakage from solid-waste dumps. Parks and reserves have been set aside to protect critical plant and wildlife habitats. |
ভু_প্রকৃতি এবং আবহাওয়া | Tonga is an archipelago consisting of 170 islands and islets forming three main groups--Tongatapu Group, Ha‘apai Group, and Vava‘u Group--and several outlying islands. The Tonga Islands lie generally in a long north-south chain. The Tongatapu Group and the Ha‘apai Group consist of low-lying islands of coral formation, while the Vava‘u Group is volcanic and mountainous; some of the volcanoes are active. Tonga has an average annual temperature of about 24°C and receives more than 1,095 mm of rain annually. |
হাইড্রোগ্রাফি | To be filled. |