SL Topic B4.1 Adaptation to environment (id: f75bcdd5d)

本题目来源于试卷: SL Topic B4.1 Adaptation to environment，类别为 IB生物学

[问答题]
7. Borislava is an eco1j86sy2gt 9+v eygrxklogist. She is responsible for the protected areas of az. ucbcwy0hu r*d; +zc /p;yv* beach on the Mediterranean coast of Spain. The area is protected because there are populations of rare plants adapted to the sand dune habitat which is a hostile environment for many plant species. The conservation areas are each of approximately 10zpr*by;yw.c z*;h0uc/+ d cvu0x50m.

Explain how to carry out a line transect to monitor the distribution of plants in this part of the beach.

参考答案:

Set up a measuring tape across the area to be sampled.

EITHER Generate random numbers to decide where to align the transects.

OR Sample every plant at regular fixed distances along the transect/every 50cm.

Place the transect parallel to one side of the area to be recorded.

Record the exact position of the transect.

Identify each plant at the determined point on the transect.

Quantify the presence of each species e.g. % cover / abundance / frequency

Repeat the transect several times /five times.

Minimise the environmental impact of the sampling, tread lightly, avoid damage to plants.

本题详细解析: 暂无

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