The Problems In The Urban Green Space Constrution.

1. The city green space ecology landscape pattern constructs the question. Through the landscape ecology mathematical quantification target analysis, the Ningbo city green space system network architecture also needs to adjust. Specially green space landscape type few, park type sole, specially kind of park and community park few, main green space mottling to other mottlings minimum mean distances big, the green space distribution is in the reunion shape distributed and between the random distribution, the tendency reunion shape distribution, insufficiently is balanced. The natural green space mottling the artificial influence, is nibbled with the decomposition.The natural green space mottling the artificial influence, is nibbled with the decomposition Although takes the green space corridor the beautification, but committing suicide condition benefit; The corridor integrity, the sequence, regional are weak; Interlock the region in the mottling and the matrix ecology to lack the transition and the cushion. Pointed out the optimized measure must from maintain the city and countryside ecology integration to embark, the urban district green space main point, the line, the surface union, center small unify, the centralism and the dispersed phase union, key and unifies generally, connects into a complete system with suburbs correlation each kind of green space, finally forms "A ring three porches four pieces" the structure, the whole assumes the organic distribution, the layout is even. Strengthens has the distinct improvement to the urban environment outskirts mountain and the scenic spot vegetation's protection. At the same time strengthens the city periphery greenbelt ecology corridor to form the ecosphere, using the city artificial corridor, the natural river is the corridor effective way connects various mottlings.2. In biodiversity protection and construction question. In view of current to biodiversity concept misunderstanding, pointed out city green space landscape type sole, the vegetation identical phenomenon is serious, lacks the region characteristic mostly; Moreover the botanical garden plant introduces a fine variety has few big seedling, young tree generally many, tree few, bush many, quick long tree many, slow long trees few, reproduces difficult seedling few, the reproduction easy seedling many, the precious tree seed few, the ordinary tree seeds to be many. Proposed by protects Ningbo evergreen foliage forest mountainous region vegetation type landscape primarily, unifies the town center city topographical condition, protects the existing city waters resources, rich amphibious union vegetation type landscape green space; At the same time unifies the botanical garden, specially establishment diversification the and so on kind of garden plant idioplasm resources storehouse, meets the botanical garden construction need. Must correctly process the city and countryside ecology benefit, the introduction plant nursery must standardize, develops the local tree seed's in city green space application vigorously. Specially must reasonably utilize tall, fills, the grass, the quilt, at the same time...