Kasmira


 * Bonnie Vale; **
 * Quadrat study **

From doing a quadrat study of mud crabs and mangroves under 1m in height, we used 1m ² quadrats. We used a fixed 50m line and dropped a quardrat for every metre along the line. The results can be found in the table below;


 * **Distance from fixed point (m)** || **Mud Crabs** || **Mangroves** ||
 * 0 || 4 || 1 ||
 * 10 || 4 || 3 ||
 * 20 || 6 || 3 ||
 * 30 || 5 || 0 ||
 * 40 || 0 || 0 ||
 * 50 || 0 || 0 ||
 * **Total** || **19** || **7** ||

The total areas of all quadrats were 6m². From this we are able to calculate the population densities of each organism. The density of the mud crabs were roughly 3.15 per square metre, and mangroves under 1m were roughly 1.15 per square metre. We were unable to get the total size of the area so we were unable to calculate an average population.

A difference in abundance between the two species are being closer to the tide line. There's more exposure to the tide line in earlier meters, which is a difference in abundance.

//Kirsten, Kaz, Jake, Chloe, Georgia.//

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