黑擬蛺蝶(Precis iphita iphita)的生存策略
Beings inherit various morphs and natural ability properties from their genetic parents to adapt to the environment and survive; Precis iphita iphita , for instance, is a best example of it. Although few literatures on Precis iphita iphita is found, through long-term field observation on the food intake, nest building, avoiding predator of immature stage, and living domain, the oviposition, plant preference of the adult, different stages of morphs and changes of behavior can be classified obviously when there are environmental or weather changes. The above can help investigate how they interact and influence with plants. This study aims to record and describe various behaviors and surrounding changes for Precis iphita iphita. 生物為適應環境求取生存,從親代遺傳許多形態、本能;黑擬蛺蝶(Precis iphita iphita) 的生活史就是個很好的例子。雖然文獻報告對黑擬蛺蝶的形態與行為描述不多,但藉由野外 長期實地觀察幼蟲的攝食、築巢、躲避天敵,以及成蝶的領域、產卵、食草選擇,可明顯區 分當環境、氣候產生變化時,黑擬蛺蝶不同蟲期的蟲體都有許多外在行為的改變,可作為探 討其與植物間的交互作用和影響。本研究旨在描述黑擬蛺蝶各種不同的行為與當時環境的狀 態,並將實際觀察所得詳實記載,以供他人比較參考。
高蹺(Himantopus himantopus)度冬族群在八掌溪嘉義市段與台灣沿海各主要棲地數??
台灣地區高蹺?(Himantopus himantopus)的度冬族群出現月份是九月中旬至隔年四月,棲息地主要是在台灣西部沿海之鹽田、魚塭、沙質河口及少數內陸河川,而 1994年成立的台南四草野生動物保護區更是其在台灣的主要繁殖區。 本研究主要從2001年3月~2003年10月進行八掌溪嘉義市段高蹺?族群數量的調查,在 2001.12 月計數到最高數量約 1200 隻,2002.10 月有 1540 隻,連續兩個年度都是全國最高數量,分析環境因子及食物來源皆優於其他各沿海棲地。 在 2003 年 5 月至 9 月調查嘉義沿海高蹺?繁殖配對情形,在 5 月 24 日發現鰲鼓溼地巢數 25 個、幼鳥 14 隻,布袋七區鹽田巢數 9 個,顯示除了台南四草繁殖區外還有其他的繁殖地。 The winter residents of Black- winged Stilts in Taiwan appear in mid-September to next April. Their main habitats are the salt pans, water ponds, sandy river mouths and few inland rivers in western Taiwan. Furthermore, the “Taina Szu-Tao (四草) Wildlife Sanctuary” established in 1994 is their major breeding area. This research is the investigation of the amount of Black- winged Stilt in Pajhang River(八掌溪), Chia-yi city(嘉義市) in 2001, Mar.~ 2003, Oct. The highest amount in 2001, Dec. is about 1200 and in 2002,Oct. is 1540. The amounts of these continuous two years are the highest in Taiwan. To analyze the reasons, the environment and food sources are better than other coastal habitats. In 2003, from May to September, the investigation of mating situation of Black-winged Stilt in Chia-yi coastal areas, twenty five nests and fourteen young birds in Ao-Ku(鰲鼓) wetland; nine nests in Pu-dai (布袋) seven salt pans are found on May 24th. It shows that there are other breeding areas except the breeding areas in Tainan Szu-Tao.