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Effects on stream flows and water quality. Beaver ponds increase stream flows in seasonally dry streams by storing run-off in the rainy season, which raises groundwater tables via percolation from beaver ponds. In a recent study using 12 serial aerial photo mosaics from 1948 to 2002, the impact of the return of beavers on openwater area in east ...
Meryl McMaster (born 1988, Ottawa, Ontario [1]) is a Canadian and Plains Cree photographer whose best-known work explores her Indigenous heritage. Based in Ottawa, [2] McMaster frequently practices self-portraiture and portraiture to explore themes of First Nations peoples and cultural identity, and incorporates elements of performance and installation to preserve her mixed heritage and sites ...
The North American beaver (Castor canadensis) is one of two extant beaver species, along with the Eurasian beaver (Castor fiber). [23] It is native to North America and has been introduced in South America (Patagonia) and Europe (primarily Finland and Karelia). The North American beaver is one of the official national wildlife of Canada symbols ...
View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph. [1] Original (left) and colorized reoriented enhancement (right).. The history of photography began with the discovery of two critical principles: The first is camera obscura image projection, the second is the discovery that some substances are visibly altered by exposure to light [2].
Beaversprite is a nature reserve in Fulton County, New York, with parts in St. Johnsville, Oppenheim, and Dolgeville. It was founded by Dorothy Richards, known as the "Beaver Woman" or "Beaver Lady", and her husband. She tamed beavers in the sanctuary and kept some inside their cottage in the reserve. [ 2]
The North American beaver (Castor canadensis) is an invasive species in Tierra del Fuego, at the southern end of Patagonia. Tierra del Fuego is a large island encompassing parts of Chile and Argentina, so that policies and actions to control the species have mainly been binational. The beavers were introduced to the area in 1946 in an effort by ...
The Beaverdam Creek Archaeological Site, (9 EB 85), is an archaeological site located on a floodplain of Beaverdam Creek in Elbert County, Georgia approximately 0.8 km from the creek's confluence with the Savannah River, and is currently inundated by the Richard B. Russell Lake. The site consisted of a platform mound and an associated village site.
History of the camera. The history of the camera began even before the introduction of photography. Cameras evolved from the camera obscura through many generations of photographic technology – daguerreotypes, calotypes, dry plates, film – to the modern day with digital cameras and camera phones.