Flora of North America
Comprehensive Investigation of Bioactive Steroidal Alkaloids in Veratrum californicum
... Committee, eds. Flora of North America North of Mexico. New York and Oxford. Teratogenic effects of cyclopamine and jervine in rats, mice and hamsters. Cyclopamine and related steroida[r] ...
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Additions to the boreal flora of the Northwest Territories with a preliminary vascular flora of Scotty Creek
... Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata (Tall White Bog Orchid, Orchidaceae) was collected in an open marshy fen at Scotty Creek. It is ranked as “may be at risk” (Working Group on General Status ...
19
Comparative biogeography of New Zealand trees: species richness, height, leaf traits and range sizes
... tree flora also differs systematically from those found in other temperate and island ...tree flora with those of Europe, North America, Chile, southern Australia, Fiji and ...temperate ...
15
Iris Tenuis S Wats., A New Transfer to the Subsection Evansia
... The nearest living counterparts of this flora are today found in temperate area forests of eastern Asia, western North America, and eastern United States, each area of wh[r] ...
10
Regional public goods in North America
... The North American Leaders Summit, held on June 29 2016 in Ottawa, brought together three telegenic heads of state: recently elected Prime Minister Justin Trudeau of Canada, President Enrique Peña Nieto of Mexico, ...
23
The ecosystem: research and practice in North America
... Since the late 1970s several themes have been evident in North American ecosystem research. One is a continuing interest in energy flows and biogeochemical cycling. Envi- ronmental problems have often been defined ...
5
Frit-Core Beads in North America
... That various combinations of Types 1-5 were found at the Adams, Carton, and Hopps sites suggests they were all made in the same production center, quite possibly in related workshops. Chemical analysis of a sample of the ...
7
A Symposium on Rotation Grazing in North America.
... Numerous studies have been under- taken throughout the world to learn the relative merits of continuous and of rota- tion or alternate grazing, with or without a [r] ...
6
Pliocene Rodents of Western North America
... In the course of' the work de- tailed faunal studies were carried on covering rodent faunas from 1 Kern River beds, California; 2 Pliocene beds of Smiths Valley, Nevada; 3 Owyhee Pliocen[r] ...
148
Study of Bryophytic Flora in the Ramsar Wetland of Merja Zerga (North-west of Morocco)
... Geologically, Merja Zerga is located between the Atlantic Ocean in the west, the Rif mountains in the north and the Atlantic Meseta at the north-western end of Rharb Basin; it occupies a synclinal flexion ...
6
First steps in the grape mechanization process in Brazil: quantitative features
... South America (the South Hemisphere) has a complementary harvest season compared to Europe (the North Hemisphere), international transport of harvesters has become a new active business, which allows ...
10
Emergence of zoonotic arboviruses by animal trade and migration
... The risk of an importation of EEEV into Europe or other areas outside of the American continent seems to be low. Basically, an importation seems possible via infected mosquitoes, infected birds (passerine, waders, farm ...
15
The Physical Geography of North America - ppt.pptx
... SSWG8B: Describe the major climates of Canada and the United States and how they affect Canada and the United States SSWG8D: Explain how the physical geography of Canada and the United S[r] ...
29
Global Spatial Relationship between Land Use Land Cover and Land Surface Temperature
... MODIS Aqua day time LST and eight LULC MODIS indices of 2018 analysed and processed using Earth Engine Code Editor. Statistical calculations such as R squared and significance of the relationship between LST and LULC of ...
17
On the history and future of soil organic phosphorus research:a critique across three generations
... the environment was dwarfed by the study of inorganic and particulate phosphorus transfer,.. at least in Europe and North America..[r] ...
32
Possible Connections between X Solar Flares and Worldwide Variation in Seismicity Enhancement
... The biggest enhancements in this area in the case of flares X > 1 happened most often at the level of 70 - 600 km . Compared to the upper crust they vary at this depth in almost all years of maximum flares. Years ...
20
Tropical vegetation response to Heinrich Event 1 as simulated with the UVic ESCM and CCSM3
... The tropical forest simulated by both models in South- east Asia is supported by the study of pollen records by Morley (2000), who suggests that the Borneo tropical for- est persisted and even extended onto the ...
14
Pogostemon stellatus (Lour.) Kuntze (Lamiaceae) - A New Record From Assam, North East India
... During the floristic survey in the Barpeta- Assam (26. 3216° N, 90.9821° E) a plant was collected from a marshy area that was, later on, identified as Pogostemon stellatus (Lour.) Kuntze of Lamiaceae. The species has ...
7
Bioclimate Vegetation Interrelations along the Pacific Rim of North America
... In Mediterranean-Temperate zonoecotones we used a double criterion to consider a station as Mediterranean: 1) Climatically, it should show at least two consecutive dry- warm months; and 2) The PNV should be dominated or ...
21
Ordovician Continental Paleogeography and Paleoenvironment for the Michigan Basin from Paleomagnetic Analysis
... day North America (as well as Svalbard, Northern Ireland, Scotland, Ellesmere and Greenland) was part of the large Neoprotzerozoic equatorial paleocontinent Laurentia (McCausland et ...the north, ...
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