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Speleology
Speleology (also spelled spelæology or spelaeology) is the scientific study of caves and other karst features, their make-up, structure, physical properties, history, life forms, and the processes by which they form (speleogenesis) and change over time (speleomorphology). The term speleology is also sometimes applied to the recreational activity of exploring caves, but this is more properly known as caving, spelunking or potholing. Speleology and caving are often connected, as the physical skills required for in situ study are the same. Speleology is a cross-disciplinary field that combines the knowledge of chemistry, biology, geology, physics, meteorology and cartography to develop portraits of caves as complex, evolving systems.
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鳥進紙器
Garden; Outdoor decorations
竿子打、 鳥進紙器、 鳥表或紙盒進紙器設備放置戶外供應鳥鳥 (鳥飼料) 的食品。在引鳥鳥進紙器的成功取決於它的位置,並提供了各種食品,如不同物種有不同的偏好。 ...
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Garden; Outdoor decorations
此外詳細說明雜色山雀的巢箱是嵌套英寸 雀鳥巢箱還可以調用鳥巢,但一些哺乳動物物種可能還會使用它們為動物提供一個人造的框。鳥巢是雀鳥巢箱的最常見類型,因為他們小,容易在吸引很多鳥的同時照顧。 ...