نتایج جستجو برای: species inventory
تعداد نتایج: 598725 فیلتر نتایج به سال:
Amphipod fauna of Moldova remains one of the least known in Europe with the most recent data upon species distribution being already almost 50 years old. In this paper, we summarize the knowledge upon the distribution of amphipods in Moldovan inland waters based on literature survey combined with our new original data and present a comprehensive checklist of recorded amphipod species. The new o...
Algebraic difference equations of stand height, diameter, and volume depending on dominant species and site factors have been explored on the basis of Estonian state forest inventory data. Stand variables such as total age, average height, breast height diameter, volume, origin (naturally regenerated or cultivated), forest site type and dominant species from forest inventory database files of E...
The increasing growth of literature in biodiversity presents challenges to users who need to discover pertinent information in an efficient and timely manner. In response, text mining techniques offer solutions by facilitating the automated discovery of knowledge from large textual data. An important step in text mining is the recognition of concepts via their linguistic realisation, i.e., term...
spatial pattern of trees can possibly indicate stand history, population dynamics, and species competition. this research was investigated in the chahartagh forest reserve, ardal region, chaharmehal and bakhtiari province, central zagros forest, and southwest iranian state. in this study 53 hectare of the study area was selected and perfect inventory. information includes the position and kind...
the inventory of tabanids of ivory coast includes both a review of historical datasets as well as the results of recent targeted field investigations in the north of ivory coast from 2000 to 2002 and banco forest in 2012. the family tabanidae known as horse flies has been estimated to consist of 4,500 existing species throughout the world. four genera are known to be of medico-veterinary impor...
Fusion of ALS and hyperspectral data can offer a powerful basis for the discrimination of tree species and enables an accurate prediction of species-specific attributes. In this study, the fused airborne laser scanning (ALS) data and hyperspectral images were used to model and predict the total and species-specific volumes based on three forest inventory approaches, namely the individual tree c...
Little quantitative information exists about the survey effort necessary to inventory temperate bat species assemblages. We used a bootstrap resampling algorithm to estimate the number of mist net surveys required to capture individuals from 9 species at both study area and site levels using data collected in a forested watershed in northwestern California, USA, during 1996–2000. The mean numbe...
during 2010-2011 a faunistic survey was carried out for collection and identification of edaphic mesostigmatic mites (acari: mesostigmata) in jiroft and suburb. mites were extracted from soil samples by berlese funnel. the mites were cleared in nesbit fluid and were mounted in hoyer medium on microscopic slides. in this study 43 spices from 26 genera and 16 families were collected and identifie...
Schulz, Bethany K.; Bechtold, William A.; Zarnoch, Stanley J. 2009. Sampling and estimation procedures for the vegetation diversity and structure indicator. Gen. Tech. Rep. PNW-GTR-781. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 53 p. The Vegetation Diversity and Structure Indicator (VEG) is an extensive inventory of vascular plants in the ...
little is known about the reptiles and amphibians of Kinmen island, taiwan. until recently, Kinmen had been off-limits to outsiders. it wasn’t until the mid 1990’s that civilian travel was allowed to and from the island. We surveyed 8 sites from 19 May through 18 July 2005, using 15 m drift fences with collapsible funnel traps on the ends. We documented encounters with animals outside the traps...
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