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Table 4 in Harbor seal use of glacier ice and terrestrial haul-outs in the Kenai Fjords, Alaska

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NIAID Data Ecosystem2026-05-02 收录
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Table 4. Summary of harbor seal mother-pup pairs (MP) and seals without pups (nMP) counted during pupping, numbers of seals counted during the molt, and proportions of pups counted relative to total seals (including pups) observed during pupping and during the molt. Counts are presented as means, maximums, and sample sizes (in parentheses) for each region in each year and summarized across years by arithmetic mean, standard deviation and geometric mean. GeoRegion200420052006200720082009201120122013MeanSDMeanMother-pup pairs during puppingABMean20.333.520.022.026.524.387.072.064.041.124.534.9Max28392023383187776445.223.239.9(4)(2)(1)(2)(2)(3)(1)(2)(1)NWFMean38.357.539.052.041.538.7116.083.058.226.053.7Max5479395442451168464.125.059.9(4)(2)(1)(2)(2)(3)(1)(2)(0)MFMean22.838.032.048.535.014.031.711.029.5Max26383258351433.813.331.1(4)(1)(1)(2)(1)(1)(0)(0)(0)RB-JBMean19.511.033.540.036.38.029.025.311.7Max332133.5407083834.817.7(4)(2)(1)(1)(0)(3)(1)(3)(0)Seals without pups during puppingABMean124.8103.086.0178.0179.0206.7178.0406.5140.0178.089.1161.3Max18814486211211253178439140205.694.4187.5(4)(2)(1)(2)(2)(3)(1)(2)(1)NWFMean86.5163.580.0179.5179.5243.3182.0250.0170.558.3158.8Max9617980205202342182257192.978.3175.8(4)(2)(1)(2)(2)(3)(1)(2)(0)MFMean50.5145.0106.0119.5173.089.0113.839.1106.1Max7714510615517389124.235.5118.9(4)(1)(1)(2)(1)(1)(0)(0)(0)Region200420052006200720082009201120122013MeanSDMeanRB-JBMean148.8143.0275.5353.0284.0211.0251.3238.170.4227.1Max174233275.5353448211329289.187.5276.2(4)(2)(1)(1)(0)(3)(1)(3)(0)Total seals during moltABMean253.5391.7267.0437.0649.0738.0456.0181.7420.8Max303503267437649738482.8170.4451.9(4)(3)(1)(1)(1)(0)(0)(1)(0)NWFMean49.7224.3236.0342.0140.0650.0273.7190.7208.4Max85306236342140650293.2182.5240.0(3)(3)(1)(1)(1)(0)(0)(1)(0)MFMean252.5333.7220.0312.0279.545.4275.8Max552380220312366.0121.5346.4(4)(3)(0)(1)(1)(0)(0)(0)(0)RB-JBMean146.8308.7165.5513.5564.0477.0362.6165.7318.1Max226569225546564477434.5150.8402.5(4)(3)(2)(2)(1)(0)(0)(1)(0)Proportion pups relative to total seal including pupsABMean11.8%20.6%15.9%10.1%10.9%9.6%24.7%13.1%23.9%15.6%6%14.7%Max15.0%23.7%15.9%11.2%13.2%13.3%24.7%14.6%23.9%17.3%5%16.6%(4)(2)(1)(2)(2)(3)(1)(2)(1)NWFMean22.3%20.1%24.7%18.5%15.9%12.7%28.0%20.0%20.3%5%19.8%Max29.6%25.8%24.7%19.7%17.2%15.7%28.0%20.4%22.6%5%22.1%(4)(2)(1)(2)(2)(3)(1)(2)(0)MFMean26.3%17.2%18.8%22.7%14.4%12.0%18.6%5%17.9%Max42.0%17.2%18.8%24.1%14.4%12.0%21.4%10%19.6%(4)(1)(1)(2)(1)(1)(0)(0)(0)Region200420052006200720082009201120122013MeanSDMeanRB-JBMean10%5%10%9%11%4%10%8.3%3%7.8%Max15%8%10%9%14%4%15%10.6%4%9.6%(4)(2)(1)(1)(0)(3)(1)(3)(0)Proportion pups relative to molting sealsABMean8.0%8.6%7.5%5.0%4.1%9.8%7.2%2%6.8%Max9.2%7.8%7.5%5.3%5.9%10.4%7.7%2%7.5%(4)(3)(1)(1)(1)(0)(0)(1)(0)NWFMean77.0%25.6%16.5%15.2%29.6%12.8%29.5%22%23.9%Max63.5%25.8%16.5%15.8%30.0%12.9%27.4%17%23.4%(3)(3)(1)(1)(1)(0)(0)(1)(0)MFMean9.0%11.4%22.0%11.2%13.4%5%12.6%Max4.7%10.0%26.4%11.2%13.1%8%10.9%(4)(3)(0)(1)(1)(0)(0)(0)(0)RB-JBMean13.3%3.6%20.2%7.8%6.1%10.2%6%8.5%Max14.6%3.7%14.9%7.3%8.0%9.7%4%8.6%(4)(3)(2)(2)(0)(0)(0)(1)(0) (Continued) (Continued)
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2024-09-24
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