Tầm quan trọng của các khu vườn riêng trong đô thị đối với sự thu hút cây trồng và động vật không xương sống: một thí nghiệm vi sinh thái thực địa

Springer Science and Business Media LLC - Tập 13 - Trang 223-235 - 2009
Corinne D. Sperling1, Christopher J. Lortie1
1Department of Biology, York University, Toronto, Canada

Tóm tắt

Các khu vườn riêng trong thành phố có khả năng nâng cao chức năng sinh thái và kết nối sinh cảnh. Tầm quan trọng của việc gia tăng nguồn sống được kiểm tra một cách thực nghiệm bằng cách sử dụng vi sinh thái với đất hoặc với đất và thực vật được bổ sung vào các khu vườn riêng tại Toronto. Các thuộc tính địa phương của các khu vườn đã được ghi lại, và trong các vi sinh thái, sự thu hút hạt giống, cây trồng và động vật không xương sống có cánh và không có cánh đã được ghi chép. Sự thu hút tự nhiên của tất cả các sinh vật vào các vi sinh thái trong 20 khu vườn riêng đã được thử nghiệm là đáng kể. Độ phong phú và đa dạng của động vật không xương sống, sự thu hút hạt giống tình cờ, và sự phát triển thực vật trên mặt đất đều được cải thiện bất kể có chỉ thêm đất trống hay đất có thực vật. Số lượng cây gỗ (các loại cây không thảo mộc có mô sẹo cứng hoặc phần gỗ, ví dụ như thân cây và thích nghi để sống từ năm này sang năm khác, tức là, qua mùa đông) trong các khu vườn đã dự đoán sự thu hút hạt giống và số lượng loài cây đã dự đoán độ phong phú của động vật không xương sống có cánh. Do đó, việc gia tăng đơn giản các khu vườn riêng — ngay cả ở quy mô sinh thái nhỏ — có thể nâng cao khả năng của các hệ thống đô thị trong việc cung cấp các môi trường sống thích hợp cho các sinh vật trong một ma trận khó khăn đối với nhiều loài.

Từ khóa

#tự nhiên #hệ sinh thái #động vật không xương sống #thu hút hạt giống #sinh thái đô thị

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