Trend in the clutch size of White-tailed Eagle pairs in Argyll

wte_trend_cs_argyll_1998_2014

The graph above shows the trend in the clutch size of White-tailed Eagle pairs that were confirmed to have laid at least one egg in Argyll between 1998 and 2014.

SRMS RegionBreeding parameterPeriodYearsMean annual sample + SETrendMean + SE
ArgyllBreeding pairs1998 - 201518N/A*Linear increase13.3 ± 1.9
ArgyllClutch size1998-2014179.7 ± 1.1Stable1.6 ± 0.0
ArgyllHatching success2007 - 2015917.6 ± 1.9Stable0.8 ± 0.0
ArgyllBrood size2000 - 2015169.9 ± 1.2Stable1.4 ± 0.4
ArgyllFledging success1998 - 20151811.8 ± 1.7Linear increase0.7 ± 0.0
ArgyllNumber of fledglings2005 - 20151111.5 ± 1.4Stable1.3 ± 0.0
HighlandBreeding pairs1987 - 201529NA*Linear increase14.3 ± 1.8
HighlandClutch size1990 - 20152611.8 ± 1.3Stable1.4 ± 0.0
HighlandHatching success1996 - 20152017.1 ± 1.5Stable0.7 ± 0.0
HighlandBrood size1995 - 20152110.2 ± 1.2Stable1.5 ± 0.0
HighlandFledging success1994 - 20152214.6 ± 1.5Stable0.6 ± 0.0
HighlandNumber of fledglings1998 - 2015189.3 ± 1.0Stable1.4 ± 0.0
Lewis & HarrisBreeding pairs2004 - 201512NA*Linear increase9.4 ± 1.2
Lewis & HarrisClutch size2005 - 2015118.6 ± 1.2Stable1.5 ± 0.1
Lewis & HarrisHatching success2006 - 20151010.2 ± 1.4Stable0.6 ± 0.1
Lewis & HarrisBrood size2005 - 2015116.1 ± 0.9Stable1.6 ± 0.1
Lewis & HarrisFledging success2008 - 201589.3 ± 1.3Linear increase0.6 ± 0.1
Lewis & HarrisNumber of fledglings2007 - 201595.6 ± 1.0Stable1.6 ± 0.1
UistBreeding pairsN/A**
UistClutch sizeN/A**
UistHatching successN/A**
UistBrood sizeN/A**
UistFledging successN/A**
UistNumber of fledglingsN/A**