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The semi-aquatic freshwater earthworms of the genus Glyphidrilus Horst, 1889 from Thailand (Oligochaeta, Almidae) with re-descriptions of several species
Ten new species of semi-aquatic earthworm genus Glyphidrilus Horst, 1889 are described from several river systems in Thailand. The earthworms were all found at a depth of 5?15 cm from the surface in wet top soil and usually near casts. The worms excrete casts on the soil surface by locating the tails up to the soil surface while the heads go down to deeper soils. They have the peculiar expanded epidermis at about clitellum position called ?wings? which function is still unknown. They produce long cocoons wich locate vertically in the soil in the same places as the worms. One cocoon produces 7-10 juveniles. All the ten new described species appear to be highly endemic to particular watershed with very little range overlap between them, and most are confined to a small region. The lowland paddy systems in Thailand have been colonized by some species of Glyphidrilus, where they occur in the rice paddy throughout the propagation period (wet season) from planting of the seedlings to post harvest (dry season). The worms did well in areas of organic farming and so are likely to be sensitive to modern agrochemical contamination of the environment.
Recent Advances in Museomics: Revolutionizing Biodiversity Research
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Cave Biodiversity
A deep-dive into the evolutionary biology, biogeography, and conservation of the most elusive subterranean creatures in the world. Far from the austere, sparsely populated ecosystems often conjured in the imagination, caves host some of the most mysterious and biodiverse natural systems in the world. Subterranean environments, however, are the least explored terrestrial habitats, contributing to misconceptions about their inhabitants. Edited by cave scientist and conservation ecologist Dr. J. Judson Wynne, Cave Biodiversity explores both the evolution and the conservation of subterrestrial-dwelling fauna. Covering both vertebrates and invertebrates, including mollusks, fishes, amphibians, ar...
少年牛頓雜誌 2022年9月號 NO.216
白色大陸――南極洲 牛頓也不知道：澳洲發現全球最大的植物 太陽有多高？ 地洞裡的貓頭鷹――穴鴞 拯救地球「藻」知道 說到藻類，你的腦中會浮現什麼？有人想到浮游植物，有人想到美味的海帶，藻類到底是什麼呢？藻類包括了眾多物種，形態差異非常大，可能是用顯微鏡才看得到的微藻，也可能是長達數十公尺的巨藻。藻類在大約35億年前出現，開始行光合作用，讓大氣層中充滿氧氣，現在也還在持續製造氧氣、吸收二氧化碳，對地球非常重要。科學家們正在努力研究，使用藻類生產燃料、塑膠、肥料、牲畜飼料和人...
