Results 101 to 110 of about 957 (192)

Relationships between herbaceous diversity and biomass in two habitats in arid Mediterranean rangeland [PDF]

open access: yes, 2010
Plant diversity patterns vary across the landscape. This study was conducted to answer the question: What is the pattern of species diversity (α and β) along an abstract productivity/cover gradient at two topographical positions (Wadi (a depression with ...
Alhamad, Mohammad N   +4 more
core   +2 more sources

Diversity and Chorotype Analysis of the Pteridophytes of Zimbabwe

open access: yesPlant Science Today
In the current investigation, an attempt has been made to document the floristic diversity and chorotype analysis of Pteridophytes growing in Zimbabwe. Previously published literature and online sources were consulted to confirm the nomenclature, precise locations, chorotype, stages of invasion, and conservation status of the Pteridophytes in Zimbabwe.
openaire   +1 more source

An introduction of flora, life form, chorotype and habitat of plants around Sepidroud dam, Iran

open access: yesتاکسونومی و بیوسیستماتیک, 2013
In this research, the lake of Sepidroud dam was situated which is located near Manjil in 300-400 m above sea level. Average annual precipitation reached to 213.7 mm. The dominant vegetation of this area was Amygdalus-Artemisia community. A total of 239 species were identified based on plant samples collected in 2011.
Aiuob Moradi   +2 more
openaire   +2 more sources

Neolovenula alluaudi (Guerne and Richard, 1890) (Calanoida: Diaptomidae: Paradiaptominae): first record in Italy and review of geographical distribution

open access: yesJournal of Limnology, 2013
As part of recent limnological campaigns in Apulia (south-eastern Italy), 217 temporary and permanent ponds were studied. The diaptomid calanoid copepod Neolovenula alluaudi was collected in eight of these ponds. These findings represent the first record
Giuseppe Alfonso, Genuario Belmonte
doaj   +1 more source

Floristic diversity of Wadi Ar'ar, Saudi Arabia

open access: yesJournal of Taibah University for Science, 2019
One of the most countries containing which have biologically diverse, is Saudi Arabia. Among the plant species recorded in Saudi Arabia, about 30% are rare and around 18 plant species are thought to have been disappeared locally.
Ahmed Kamal Eldin Osman   +1 more
doaj   +1 more source

SYRPHIDAE (DIPTERA) FROM LAMPEDUSA ISLAND [PDF]

open access: yes, 2010
Diptera of Lampedusa are poorly known, and the only published data are those of VENTURI (1960) and PISCIOTTA et al. (2008). In the present paper the authors report new records of Syrphidae (Diptera) for Lampedusa island discovered during field ...
BIRTELE, D   +3 more
core  

Ground Beetle (Coleoptera: Carabidae) Assemblages and Slug Abundance in Agricultural Fields Under Organic and Low-Input Conventional Management Within a Long-Term Agronomic Trial in Central Italy [PDF]

open access: yes, 2019
Inside a long-term agronomic trial aimed at evaluating the effects of organic and low-input conventional management systems on soil fertility and arable crop production, we selected six fields bordered by hedgerows, three under each management system ...
Antichi, Daniele   +5 more
core   +1 more source

Spatial distribution of dorylaimid and mononchid nematodes from the southeast iberian peninsula: environmental characterization of chorotypes.

open access: yesJournal of nematology, 2011
The aim of this study was to determine the incidence of 18 environmental variables in the spatial distribution of 30 chorotypes (species groups with significantly similar distribution patterns) of dorylaimid and mononchid nematodes by means of logistic regression in a natural area in the southeastern Iberian Peninsula.
G, Liébanas   +3 more
openaire   +2 more sources

Un chorotype du vignoble suburbain de l’Aquitaine médiévale(XIVe - début XVIe siècle)

open access: yesRevue de géographie historique
L’article s’inscrit délibérément dans le cadre d’une démarche systémique, où la dimension comparative qu’elle autorise et stimule à la fois, est au cœur de la dialectique féconde entre le particulier et le général. En prolongement du mémoire d’HDR de Sandrine Lavaud, consacré au gouvernement communal du vin dans les villes de l’Aquitaine médiévale et ...
Deler, Jean-Paul   +2 more
openaire   +2 more sources

Le piante vascolari del litorale trapanese: da Ronciglio a Capo San Vito [PDF]

open access: yes, 2013
Vascular flora of the Trapani littoral between Ronciglio and Capo San Vito (NW Sicily). – The list of the vascular plants observed and collected in the Trapani littoral between Ronciglio and Capo San Vito (NW Sicily) during the last 20 years is presented
Aleo, M   +2 more
core  

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