Reproductive Traits of Some Amphipods (Crustacea: Peracarida) in Different Habitats of Iran and Southern Caspian Sea

Table 4

Some abiotic characteristics of the habitats.

Parameters	Neur Lake	Gorigol Wetland	Springs	Gorgan Bay	Anzali Wetland	Caspian sea shore
DIN (mg/L)*	0.36	0.69	0.57	0.19	0.67	0.3
TN (mg/L)*	1.87	1.42	0.84	1.52	1.34	0.71
DIP (mg/L)*	0.16	0.05	0.07	0.04	0.08	0.07
TP (mg/L)*	0.38	0.10	0.11	0.14	0.2	0.11
Ca (mg/L)*	50	22	57	331	99	216
Mg (mg/L)*	15	21	11	661	143	397
Total Hardness (mg/L)*	131	141	195	3620	774	2293
Range of pH	8.4–8.9	9.1–10.9	5.8–10.4	7.6–8.7	6.8–8.3	7.8–8.5
Range of Salinity (ppt)	0.2–0.3	0.4–1.4	0.2–0.4	5.6–22.6	0.6–7.5	3.2–10.7

*From a single sampling during October 2001.