Interneta resursi

EPA a[bez datējuma]. ASV Vides aizsardzības aģentūra. Climate impact on forests. Pieejams:. http://www3.epa.gov/climatechange/impacts/forests.html Skat.20.09.2015.

EPA b[bez datējuma]. ASV Vides aizsardzības aģentūra. Climate impact on agriculture. Pieejams:.  http://www3.epa.gov/climatechange/impacts/agriculture.html Skat.20.09.2015.

EEA, 2009. Projected crop yield changes between the 2080s and the reference period 1961-1990 by two different models. Pieejams http://www.eea.europa.eu/data-and-maps/figures/projected-crop-yield-changes-between-the-2080s-and-the-reference-period-1961-1990-by-two-different-models Sk. 14.10.2015.

Baltic Climate [ bez datējuma] Mežsaimniecība. Pieejams: http://www.toolkit.balticclimate.org/lv/klimata-parmainu-ietekme/klimata-parmainu-scenariji/mezsaimnieciba Sk.14.10.2015.

Koch E., Bruns E., Chmielewski F. M., Defila C., Lipa W., Menzel A. (2006) Guidelines for plant phenological observations. COST 725 materiāls. Sk. 12.09.2015. Pieejams: http://topshare.wur.nl/publicfiles/73471_1_guidelines-ges-fin_2.pdf