Elucidation of the seed reproduction mechanism of ericaceous shrubs foraged by Asiatic black bears that climb up to the alpine zone

• Project/Area Number: 24K08987
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Review Section: Basic Section 40010:Forest science-related
• Research Institution: Nagano University
• Principal Investigator: 高橋 一秋 長野大学, 環境ツーリズム学部, 教授 (10401184)
• Project Period (FY): 2024-04-01 – 2027-03-31
• Project Status: Granted (Fiscal Year 2024)
• Budget Amount: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2026: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2025: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2024: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
• Keywords: ツキノワグマ

Outline of Research at the Start

本研究は、浅間山（標高2,568m）の高山帯で、夏に高山帯まで登ったクマが果実を利用するツツジ科小低木4種を対象に、（a）種子生産量、種子の遺伝的多様性の把握、（b）種子の垂直散布距離の推定、（c）散布後の種子の発芽率、実生の定着率、（d）種子繁殖特性の把握、気温上昇の影響の推定に関する調査を実施する。