Barely Significant

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Furthermore, the ambient temperature has increased by 1 °C over the past 50 years and precipitation shows a significant increasing trend in the 1980s and 1990s, and the average annual precipitation shows an increasing trend with a magnitude of 6.8 mm per decade 37 , while warming has decreased soil moisture content and enhanced the potential for oxidation of CH 4 38 .
Although no data are available directly for our study site, data from nearby sites indicate a strong impact and declining reef health starting in the mid-1990s, with a decreasing trend in coral cover reported for MNP (west of Chichiriviche; from 55% in 1996 to 39% in 2011) and Los Roques National Park (north of Chichiriviche; from 44% in 1999 to 25% in 2012) 30 .