Fig. 1 shows a community forest nursery near Chitral. Local students have raised native saplings for planting on degraded slopes and along irrigation channe...
Question 1 Report
Fig. 1 shows a community forest nursery near Chitral. Local students have raised native saplings for planting on degraded slopes and along irrigation channels. The project leader says that tree planting must be combined with protection from grazing and with long-term care if it is to make a genuine contribution to Pakistan's climate and water security.
(a) Identify the young plants shown in Fig. 1. [1]
(b) Describe two reasons why native species may be preferred to imported tree species. [2]
(c) Explain two factors that determine whether planted trees survive. [2]
Answer Details
(a) Saplings / seedlings [1] (b) Any two: native species are adapted to the local climate and soils [1]; they support local insects and wildlife [1]; they are less likely to become invasive [1]; local seed may be easier or cheaper to obtain [1]. (c) Any two: sufficient rainfall or watering [1]; protection from livestock grazing [1]; suitable soil and site [1]; protection from pests, fire or cutting [1]; continued maintenance [1].
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