Diversity, Abundance, and Distribution of Avifauna in District Jhang, Pakistan

Table 6

Comparison in abundance of birds between Thal desert and Trimmu barrage in different months by test.

Month	Site		Mean	Std. deviation	test for equality of means
						value
Mar	S1	35	34.57	32.89	-0.27^NS	0.7915
	S2	45	37.29	53.17
Apr	S1	34	28.82	28.75	2.01	0.0483
	S2	43	18.37	16.42
May	S1	34	33.35	46.89	1.99	0.0500
	S2	37	17.49	12.09
June	S1	35	29.54	34.15	1.97^NS	0.0532
	S2	38	17.34	16.55
July	S1	34	29.12	30.70	2.21	0.0304
	S2	40	16.93	15.40
Aug	S1	37	32.30	36.97	2.22	0.0295
	S2	35	17.46	14.31
Sep	S1	32	23.44	24.31	1.31^NS	0.1944
	S2	35	16.66	17.77
Oct	S1	31	27.90	44.49	0.17^NS	0.8633
	S2	35	26.00	44.76
Nov	S1	37	29.05	50.25	-1.13^NS	0.2605
	S2	47	47.45	88.03
Dec	S1	35	35.17	44.94	-1.29^NS	0.1997
	S2	51	61.43	114.10
Jan	S1	38	38.11	62.43	-1.64^NS	0.1055
	S2	51	80.51	150.26
Feb	S1	35	28.37	27.62	-1.63^NS	0.1067
	S2	48	57.65	103.35
Total	S1	45	286.78	335.52	-0.43^NS	0.6693
	S2	58	323.98	501.74

Key: S1: Thal desert; S2: Trimmu barrage; : number of species; NS: nonsignificant (); significant (); highly significant ().