Sampling Techniques 1

Question 1

Sampling

Answer 1

taking observations or measurements from a small area which is representative of a larger area

Question 2

How do you use a pooter to sample animals?

Answer 2

suck on the mouthpiece to draw insects into the holding chamber, a filter stops organisms from entering your mouth

Question 3

How do you use sweep nets to sample animals?

Answer 3

sweep a large net through the air to catch flying insects or those in long grass

Question 4

How do you use kick sampling to sample animals?

Answer 4

kick a river bank or bed to disturb mud and vegetation, and hold a net downstream to capture any organisms released into the flowing water

Question 5

How do you use tree beating to sample animals?

Answer 5

stretch a large white cloth under a tree or bush then shake or beat the tree to dislodge invertebrates which will fall onto the cloth

Question 6

How do you use pitfall traps to sample animals?

Answer 6

dig a hole in the ground which crawling invertebrates can fall into and cover the hole with a roof so the trp does not fill with rain water

Question 7

What is an identification key?

Answer 7

a series of questions with a choice of two or more possible answers, each leading to another question until the organism is identified

Question 8

Branched key (spider key)

Answer 8

an identification key in which yes and no questions are asked to identify an organism

Question 9

Numbered key (dichotomous key)

Answer 9

an identification key which asks a question and the answer tells you which question to ask. After multiple questions answered, an organism will be identified