Spring Arrivals at Washington, D. C.
نویسندگان
چکیده
منابع مشابه
Seasonal Variation of the Chloroplast Pigments in Several Plants on the Mall at Washington, D. C.
The following investigation was undertaken to determine if possible what effect the time of year might have upon the chloroplast pigments. It is of course known that the time of year influences the nutrient elements which are found in the soil and these in turn affect the pigments which are present in the leaves. Plants were chosen, to which no chemical fertilizers were added during the course ...
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In this paper, we use detailed trade and transactions data for the U.S. manufacturing sector to empirically analyze the direction and magnitude of the association between firm-level exposure to trade and the volatility of employment growth. We find that, relative to purely domestic firms, firms that only export and firms that both export and import are less volatile, whereas firms that only imp...
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D escrib ing the jo b m arke t as a “ percentage game,” R obert Stanelle, manager o f re c ru itm e n t and co llege re la tions fo r Dresser Atlas, a d iv is io n o f Dresser Indus tr ies o f H ouston, le c tu re d last n ig h t in N ie u w la n d on “ H o w to m arket y o u rs e lf fo r a jo b in a tig h t econom y o r h o w to get the jo b w hen no one rea lly w ants yo u .” Stanelle gave th...
متن کاملHas spring snowpack declined in the Washington Cascades?
Our best estimates of 1 April snow water equivalent (SWE) in the Cascade Mountains of Washington State indicate a substantial (roughly 15–35%) decline from mid-century to 2006, with larger declines at low elevations and smaller declines or increases at high elevations. This range of values includes estimates from observations and hydrologic 5 modeling, reflects a range of starting points betwee...
متن کاملAbstracts of the Annual Meeting of Planetary Geologic Mappers , Washington , D . C . 2005
s of the Annual Meeting of Planetary Geologic Mappers, Washington, D.C. 2005 Edited By Tracy K.P. Gregg,1 Kenneth L. Tanaka,2 and R. Stephen Saunders3 Open-File Report 2005-1271
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ژورنال
عنوان ژورنال: The Auk
سال: 1892
ISSN: 0004-8038,1938-4254
DOI: 10.2307/4067802