スペインのピレネー山脈のヒスパノ・ブレトンヤギの牧草と地形利用の特徴をGPS装置と遠隔感知データを用いて
J Plaza1, N Sánchez1, J A Abecia2
1Faculty of Agricultural and Environmental Sciences, University of Salamanca, Salamanca, Spain.
Australian veterinary journal
|September 4, 2025
まとめ
GPSのカラーで スペインのピレネー山脈のヒスパノ・ブレトンメアを追跡し 飼料の利用可能性と高さによる動きパターンを明らかにしました この研究により,山岳地域の馬の放牧に関する理解が深まる.
科学分野:
- エコロジー
- 動物 の 行動
- 地理空間科学
背景:
- 地球観測衛星システム (GNSS) やリモートセンシングなどのジオテクノロジーは,土地利用と地形を分析する上で極めて重要です.
- GPS (グローバル・ポジション・システム) ベースのセンサーは 高解像度で家畜の動きを詳細に把握できます
研究 の 目的:
- 統合された地質技術を用いてスペインのピレネーで馬の放牧パターンを調査する.
- 飼料の利用可能性と地形が馬の移動に与える影響を分析する.
主な方法:
- スペインのピレネー山脈 (2023年7月~8月) でGPSカラーで2頭のヒスパノ・ブレトンメアを追跡.
- 牧草環境の評価のためのデジタル高度モデル (DEM) とSentinel-2画像のLiDARの使用
- すべてのデータを地理情報システム (GIS) に統合する.
主要な成果:
- 平均472.99kmの距離を移動し,毎日7.95kmの距離を移動し,561mの高度を上昇しました.
- 移動距離の長さは 標高の上昇と相関しており 険しい地形への適応を示唆している.
- 植生分析 (NDVI) により,8月の安定した谷の牧草地とより乾燥した高山の牧草地が,放牧地に影響を及ぼした.
結論:
- 馬の放牧行動は,飼料の利用可能性と,おそらく伝統的な飼育方法によって大きく左右されます.
- 発見は,野生と野生の個体を含む,世界的な広範囲の放牧システムにおける持続可能な家畜管理のための洞察を提供します.
- GPS トラッキングとリモートセンシングは,山岳環境における馬の行動を理解するための貴重なツールです.
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