---

作 者 ：邹厚远

期 刊 ：植物生态学报 1981年 5卷 3期 页码：169-176

关键词：黄土；

摘 要 ：本文研究了陕北黄土区植被的类型、分布、区刘、资源状况及其与农林牧业的关系，结果如下：陕北黄。土区南部为落叶阔叶林，顶极为松栎林，北部为草原地区的森林草原带，顶极有三个，即森林、草原和落叶阔叶灌丛。可分为落叶阔叶林、森林草原和灌丛草原三个植被省。落叶阔叶林省森林平均每亩蓄积量2.9立方米。针阔叶混交林年平均生长量0.236—0.30立方米／亩，经抚育达0.425—0.45立方米／亩。森林草原省草原每亩产草量200—600斤，经恢复达800斤，灌丛每亩地上部分生物生产量800斤。灌丛草原省草原每亩产草量100—300斤，经恢复达400—500斤。落叶阔叶林省以林或农为主，森林

Abstract:This region may be divided into three vegetational provinces: Deciduous broad-leaved forest province, forest-steppe province and shrubbery-steppe province. In an average, there are 2.9m3 planting stock per mu of the forest in deciduous broad-leaved forest province; the average increment of the mixed forest is 0.236–0.300m3/mu/yr. and following tending 0.425–0.450m3/mu may be obtained. The grassland is with 200-600 jin grass/mu and following recovery 800 jin grass/mu may be obtained. The biomass of overground part of shrubbery approximates to 800 jin/mu. The grassland in shrubbery-steppe province produces 100-300 jin grass/mu, and following recovery 400–500 jin/mu may be obtained. In deciduous broad-leaved forest province, forestry and agriculture should be played in a great role. In the foreststeppe province: agriculture, forestry and graziery should be considered completely. In the shrubbery-steppe province, we have to pay more attention to graziery,

---