Nội dung được dịch bởi AI, chỉ mang tính chất tham khảo
Cấu trúc cảnh quan là yếu tố chính điều khiển đa dạng thuế phân và chức năng của các loài chim ăn quả nhiệt đới
Tóm tắt
Sự thay đổi về sử dụng và che phủ đất do con người gây ra ảnh hưởng đến đa dạng sinh học trên toàn cầu. Tuy nhiên, các nhóm sinh thái bị ảnh hưởng khác nhau bởi thành phần và cấu hình của cảnh quan. Việc hiểu rõ nhóm nào bị ảnh hưởng tiêu cực và nhóm nào phát triển trong các hệ sinh thái bị biến đổi bởi con người là cực kỳ quan trọng trong quản lý bảo tồn, đặc biệt là đối với các loài như chim ăn quả, vốn đóng vai trò thiết yếu trong việc phát tán hạt. Chúng tôi đã đánh giá tầm quan trọng tương đối của thành phần và cấu hình cảnh quan, giải thích sự đa dạng thuế phân và chức năng cùng với ảnh hưởng của chúng đến các loài chim ăn quả trong Rừng Atlantic Brasil. Chúng tôi đã sử dụng một bộ dữ liệu mạnh mẽ bao gồm 153 mảnh rừng trong điểm nóng của Rừng Atlantic. Chúng tôi phân loại các loài là chim ăn quả dựa trên tỷ lệ phần trăm trái cây trong chế độ ăn uống và sử dụng các đặc tính chức năng liên quan đến việc phát tán hạt để đo lường đa dạng chức năng. Kết quả của chúng tôi cho thấy rằng thành phần cảnh quan quan trọng hơn cấu hình cảnh quan trong việc giải thích sự đa dạng thuế phân và chức năng của các loài chim ăn quả. Thêm vào đó, sự tương tác giữa thành phần và cấu hình cảnh quan giải thích cho sự mất mát các đặc tính chức năng. Chúng tôi chứng minh tầm quan trọng không t пропortion của thành phần cảnh quan trong việc giải thích sự đa dạng thuế phân và chức năng của các loài chim ăn quả, trong khi đó, các đặc tính liên quan đến việc phát tán hạt được giải thích bởi cả các biến compositional và configurational. Do đó, chúng tôi nhấn mạnh sự cần thiết phải duy trì một số lượng lớn môi trường sống để tăng cường sự đa dạng thuế phân và chức năng của các loài chim ăn quả. Tuy nhiên, sự tương tác giữa thành phần và cấu hình cảnh quan là cực kỳ quan trọng để duy trì các đặc tính chức năng của loài ăn quả trong các cảnh quan rừng nhiệt đới.
Từ khóa
#thành phần cảnh quan #cấu hình cảnh quan #chim ăn quả #đa dạng sinh học #bảo tồn #Rừng Atlantic BrasilTài liệu tham khảo
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