Tab. 3 in Colorful invasion in permissive Neotropical ecosystems: establishment of ornamental non-native poeciliids of the genera Poecilia / Xiphophorus (Cyprinodontiformes: Poeciliidae) and management alternatives

Tab. 3. Bimonthly and total sex ratio of ornamental non-native poeciliid species collected in the creeks in 2003, 2004, 2005 and 2006. * Indicates the significant values for sex ratio (Chi-square, P <0.05, χ 2 = 3.841, d.f. = 1). 0.05 Species/Sex ratioBoa VistaPinheirosSanto AntônioChatoGaviãoPoecilia reticulataJanuary-February5.40*3.5866.56*5.36*13.30*March-April1.001.4823.52*4.26*40.82*May-June9.00*0.0013.12*11.02*12.48*July-August9.32*2.3232.50*4.78*9.26*September-October9.00*0.1412.94*10.32*4.94*November-December1.601.0016.82*5.90*11.74*Total/SR ♀: ♂34.94*/3.50.00/0.99146.86*/2.6839.92*/1.5082.18*/1.86Poecilia sphenopsJanuary-February--7.36*10.22*-March-April--0.0011.60*-May-June--9.94*1.14-July-August--12.30*3.58-September-October--19.46*1.14-November-December--1.420.06-Total/SR ♀: ♂--22.88*/1.8525.46*/1.69-Poecilia veliferaJanuary-February--2.00--March-April--0.00--May-June--0.00--July-August--11.58*--September-October--4.90*--November-December--0.66--Total/SR ♀: ♂--12.90*/1.83--Xiphophorus helleriiJanuary-February2.463.7610.66*10.34*47.12*March-April2.669.32*1.0028.60*89.72*May-June28.58*0.8013.50*8.68*35.28*July-August11.36*14.28*1.007.18*66.22*September-October0.4222.50*5.06*2.7869.20*November-December0.5011.76*5.36*0.0245.74*Total/SR ♀: ♂36.00*/2.555.34*/3.4031.64*/1.9350.58*/1.86345.75*/7.05Xiphophorus maculatusJanuary-February0.880.662.880.143.62March-April0.3412.24*0.0022.74*28.34*May-June0.587.12*1.801.045.26*July-August0.033.86*0.520.363.00September-October0.220.680.006.12*0.74November-December1.3415.52*0.020.023.04Total/SR ♀: ♂0.00/124.20*/1.900.06/0.9726.44*/1.6738.98*/1.71Xiphophorus variatusJanuary-February-0.001.005.46*41.68*March-April-0.064.00*32.58*4.64*May-June-0.000.3449.00*11.52*July-August-0.5650.76*34.10*7.90*September-October-2.3658.78*25.00*16.46*November-December-0.5210.66*11.92*26.42*Total/SR ♀: ♂-1.16/1.15116.74*/3.7183.50*/2.7392.82*/2.03