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|Исторические науки Автор Emerson R.W. Издательство Книга по Требованию|
But many of the big seeds, notably those of the annual cereals and pulses, are edible by humans. They constitute 6 of the modern world's 12 major crops. In contrast, if you live near a forest and look out your window, the plant species that you see will tend to be trees and shrubs, most of whose body you cannot eat and which put much less of their energy into edible seeds. Of course, some forest trees in areas of wet climate do produce big edible seeds, but these seeds are not adapted to surviving a long dry season and hence to long storage by humans. A second advantage of the Fertile Crescent flora is that the wild ancestors of many Fertile Crescent crops were already abundant and highly productive, occurring in large stands whose value must have been obvious to hunter-gatherers. Experimental studies in which botanists have collected seeds from such natural stands of wild cereals, much as hunter-gatherers must have been doing over 10,000 years ago, show that annual harvests of up to nearly a ton of seeds per hectare can be obtained, yielding 50 kilocalories of food energy for only one kilocalorie of work expended ...
|Forest Trees And Forest Scenery|
|Carbon Release from Tropical Montane Forest Trees. Study along an Elevation Gradient in the Southern Ecuadorian Andes|
Extending over a large altitudinal range, changes in structure and functionality of tropical mountain forests (TMFs) are mainly driven by increasing cloud frequencies and high atmospheric humidity with increasing elevation.
|Performance of Various Tree Species as Irrigated by Urban Wastewater. Raising of forest trees using urban Wastewater|
The present study was undertaken to observe the effects of domestic as well as municipal effluent on the growth and production of various tree species in context of their response to various heavy metals and to assess the ability of the selected tree species to absorb heavy metals from the effluent water.
|The manifestation of disease in forest trees, The causes and remedies|
|A Short Treatise On Forest-Trees, Aquaticks, Ever-Greens, Fences and Grass-Seeds|
|Plates Prepared Between the Years 1849 and 1859, to Accompany a Report On the Forest Trees of North America|
|Forest Trees, for Shelter, Ornament and Profit|
|Woodland Gleanings, an Account of British Forest-Trees|
|Some Applications of Modern Statistical Techniques. In Forest Tree Breeding Programs|
The project is concerned with statistical methods for describing and analysing data from forest tree breeding program.
|The Forest Tree Culturist|
|The Forest Tree Plantation|
|Biographical Record Of The Graduates And Former Students Of The Yale Forest School (1913)|
With Introductory Papers On Yale In The Forestry Movement And The History Of The Yale Forest School.
|Catalogue of the proprietors of Forest Hills Cemetery|
|The Old Forest Ranger, Or, Wild Sports of India On the Neilgherry Hills, in the Jungles and On the Plains|
Несмотря на то, что была проведена серьезная работа по восстановлению первоначального качества издания, на некоторых страницах могут обнаружиться небольшие "огрехи": помарки, кляксы и т. п. Книга представляет собой репринтное издание.
|Wild Life In The Tree Tops|
|Effects of Habitat on Wild Pistachio Trees in the Negev Desert, Israel Survival Challenges of a Resilient Desert Tree.|
They have however received minimal attention and research input.
|Identifying Amazonian trees from high resolution airborne imagery. A tool for rapid forest inventory and conservation|
This book is a guide for the new generation of tropical ecologists, biologists and/or conservationists who want to utilise alternative techniques for identifying tropical trees.
|SPATIAL AND STATISTICAL CHARACTERIZATION OF FOREST FUELS DISTRIBUTION. Regression trees analysis of downed woody fuels in the Rincon Mountains, Arizona|
This limitation underscores the importance of exploring approaches related to site environment characteristics that can influence the production and accumulation of understory fuels.
|Vegetation and Lepidoptera in Seasonally Dry Tropical Forests. Community structure along climate zones, forest succession and seasonality in the Southern Yucatan, Mexico|
We discuss the contribution of climate zones, forest age and seasonality to the comunity structure of plant and Lepidoptera assemblages.
|The population structure of drum making tree species: A case study of Mpanga Forest Reserve, Uganda Population structure of drum making tree species.|
The population structure and abundance of prime drum making species showed poor regeneration indicating that prime species cannot sustain drum making in the long term.
|Живой молочный гриб для приготовления целебного кефира|
|Молочный гриб можно использовать для похудения, восстановления микрофлоры, очищения организма|
|Молочный гриб отличное средство для похудения и восстановления пищеварения|