Long‐Term Trends in Acid Precipitation and Watershed Elemental Export From an Alpine Catchment of the Colorado Rocky Mountains, USA

2020 ◽  
Vol 125 (11) ◽  
Author(s):  
John T. Crawford ◽  
Eve‐Lyn S. Hinckley ◽  
Jason C. Neff
Keyword(s):  
Rocky Mountains ◽  
Acid Precipitation ◽  
Long Term Trends ◽  
Colorado Rocky Mountains

Long-term, wintertime aerosol, cloud and precipitation measurements in the Northern Colorado Rocky Mountains, USA

2006 ◽  
Vol 82 (1-2) ◽  
pp. 194-202 ◽  
Author(s):  
Edward E. Hindman ◽  
Randolph D. Borys ◽  
Douglas H. Lowenthal ◽  
Neal Phillip
Keyword(s):  
Rocky Mountains ◽  
Aerosol Cloud ◽  
Northern Colorado ◽  
Colorado Rocky Mountains

Effects of ozone and climate on ponderosa pine (Pinusponderosa) growth in the Colorado Rocky Mountains

1993 ◽  
Vol 23 (9) ◽  
pp. 1750-1759 ◽  
Author(s):  
David L. Peterson ◽  
Michael J. Arbaugh ◽  
Lindsay J. Robinson
Keyword(s):  
Ponderosa Pine ◽  
Rocky Mountains ◽  
Basal Area ◽  
Dominant Factor ◽  
Front Range ◽  
Growth Trends ◽  
Second Growth ◽  
Colorado Rocky Mountains ◽  
Highly Correlated

Long-term radial growth trends of ponderosa pine (Pinusponderosa var. scopulorum) were studied in second-growth stands in the Front Range of the Colorado Rocky Mountains to determine if there has been any impact from oxidant air pollution. Although ozone concentrations are relatively high at some locations, visible pollutant injury was not found in any trees. Time series of basal area increments are generally homogeneous within stands. Concurrent periods of increasing and decreasing growth can be found in stands throughout the Front Range, which indicates that there are temporal growth trends at the regional level. Most of these trends appear to be related to the effects of stand dynamics and climate. Correlation analysis with climatic variables indicates that soil moisture supply is the dominant factor controlling interannual variation of basal area growth. Palmer hydrological drought index is highly correlated (positively) with growth during the summer months; total precipitation in spring is positively correlated with growth, and mean temperature in spring is negatively correlated with growth. There are no recent changes in growth trends that might be associated with elevated levels of ambient ozone in the Front Range.

Commercial trawling in seagrass beds: bycatch and long-term trends in effort of a major shrimp fishery

2014 ◽  
Vol 513 ◽  
pp. 143-153 ◽  
Author(s):  
CD Stallings ◽  
JP Brower ◽  
JM Heinlein Loch ◽  
A Mickle
Keyword(s):  
Seagrass Beds ◽  
Shrimp Fishery ◽  
Long Term Trends
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