population ecology — Introduction study of the processes that affect the distribution and abundance of animal and plant populations. A population is a subset of individuals of one species that occupies a particular geographic area and, in sexually… … Universalium
POPULATION — Methodological Uncertainties Because of the great difficulties in ascertaining human population data in general, and Jewish data in particular, especially in ancient and medieval times, a word of caution is even more necessary here than in most… … Encyclopedia of Judaism
Biological pest control — Biological control of pests in agriculture is a method of controlling pests (including insects, mites, weeds and plant diseases) that relies on predation, parasitism, herbivory, or other natural mechanisms. It can be an important component of… … Wikipedia
Integrated pest management — In agriculture, Integrated Pest Management (IPM) is a pest control strategy that uses an array of complementary methods: mechanical devices, physical devices, genetic, biological, legal, cultural management, and chemical management. These methods … Wikipedia
World population — estimates from 1800 to 2100, based on UN 2004 projections (red, orange, green) and US Censu … Wikipedia
численность популяции вредителя — Количество особей вредителя на территории, занятой популяцией. [ГОСТ 21507 81] Тематики защита растений Обобщающие термины численность вредных организмов EN pest population numbers DE Poplationsstärke eines Schäderregers FR nombre de population… … Справочник технического переводчика
Invasive species — See also: List of invasive species, Introduced species, Pest (organism), and Weed North American beavers constitute an invasive species in Tierra del Fuego, where they have a substantial impact on landscape and local ecology through their… … Wikipedia
forestry — /fawr euh stree, for /, n. 1. the science of planting and taking care of trees and forests. 2. the process of establishing and managing forests; forestation. 3. forestland. [1685 95; < MF foresterie. See FOREST, RY] * * * Management of forested… … Universalium
Sodium fluoroacetate — Sodium fluoroacetate … Wikipedia
Agriculture — General … Wikipedia
Environmental effects of pesticides — Use of pesticides can have unintended effects on the environment. Over 98% of sprayed insecticides and 95% of herbicides reach a destination other than their target species, including nontarget species, air, water, bottom sediments, and… … Wikipedia