نتایج جستجو برای: floristic richness
تعداد نتایج: 22915 فیلتر نتایج به سال:
Understanding the relations between soil features and plant responses is important for agricultural production nature conservation. The aim of this study was to investigate importance influence soils? physical chemical on composition species richness in grasslands studied limestone massif eastern Serbia (Mt. Rtanj). data set included 22 phytosociological releves, same number corresponding mixed...
An analysis of the floristic composition, structure and diversity tree shrub strata was carried out at tropical deciduous forest El Picante hill, located in San José Tilapa, Puebla. Five transects (T1-T5) were along elevation range 1,055 to 1,095 m asl “point-centred quarter” sampling method used. A total 53 taxa belonging 47 genera 28 families recorded. The best-represented Fabaceae, Cactaceae...
Abstract We present the taxonomic treatment of Evolvulus in state Ceará, as part project “Flora do Ceará: Knowing to conserve”. The study was based on floristic-morphological analysis specimens deposited ASE, CEN, EAC, ESA, HCDAL, HST, HUEFS, HUVA, HVASF, IPA, PEUFR, and UFP herbaria, specialized bibliography, typus collections available on-line platforms, field observations. In we registered 1...
The present study aimed to increase knowledge about the diversity and factors that determine distribution of galling insects in Parque Nacional do Itatiaia (PNI), Southeast, Brazil. For this, collections were performed April, August November 2015 March 2016. Seventy gall morphotypes found 12 families, 32 genera 61 species host plants. richness galls did not vary with altitude, but increased fam...
Questions Changed land use, nitrogen deposition, climate change, and the spread of non-native species have repeatedly been reported as main drivers recent floristic changes in northern Europe. However, relevance geographical scale at which are observed is less well understood it has only rarely possible to quantify biodiversity loss. Therefore, we assessed richness, composition mean ecological ...
Small shallow lakes (SSL) support exceptionally high and original biodiversity, providing numerous ecosystem services. Their small size makes them especially sensitive to anthropic activities, which cause a shift dysfunctional turbid states induce loss of services biodiversity. In this study we investigated the relationships between environmental factors macrophyte communities. Macrophytes play...
Despite the importance of non-timber forest products (NTFPs) for local livelihoods in tropical countries and increasing attention biodiversity-ecosystem services relationships, it remained unclear how ecosystem service NTFP provisioning is related to plant diversity. Although generally assumed that diversity positively services, this had not been assessed provisioning. We applied bivariate mult...
Abstract This study aimed to carry out a floristic inventory and update the geographical distribution of Portulacaceae species that occur in state Ceará, Northeast Region Brazil. The field expeditions for collection observation were realized between March/2015 March/2021. Six Portulaca have been recorded being identified mainly by habit, margin leaf shape, flower coloration, operculum seed orna...
A checklist of Cyanobacteria (Blue-green algae) has been made by reviewing available literature in order to contribute the knowledge biodiversity algae Punjab state India. The list records 317 taxa phylum distributed among 74 genera, 32 families, and six orders. Oscillatoriales 115 taxa, followed Nostocales (84), Synechococcales (60), Chroococcales (49), Spirulinales (8), Pleurocapsales (1). fa...
The cultivation of cocoa is a commodity great importance worldwide. In Mexico, grown in Tabasco and Chiapas states agroforestry systems since pre-Hispanic times, where under the canopy shade trees. Crops such as sugarcane extensive livestock production have gradually reduced area devoted to region. Yet, farmers keep small portions maintain local floristic diversity. This practice seems be succe...
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