Results 11 to 20 of about 1,897 (254)

Taxonomic diversity and distinctness indices in assessment of weed communities

open access: yesActa Agrobotanica, 2012
This paper contains an analysis of taxonomic weed biodiversity in the cultivation of spring barley in the period of 1990-2004, grown in crop rotation after potato with a 25% share of this cereal (potato - spring barley - field pea - winter triticale) as ...
Magdalena Jastrzębska   +3 more
doaj   +4 more sources

Taxonomic distinctness poorly reflects floristic quality in a wetland study system

open access: yesEcological Indicators, 2021
Biomonitoring typically uses taxonomic diversity information while ignoring phylogenetic diversity. Evolutionary relatedness may offer deeper insight to how local assemblages relate with human disturbance and ecological degradation.
Suneeti K. Jog, Jason T. Bried
doaj   +2 more sources

Isoëtes sabatina (Isoëtaceae, Lycopodiopsida): Taxonomic distinctness and preliminary ecological insights [PDF]

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, 2021
Abstract Isoëtes sabatina is the rarest aquatic quillwort in Europe. Although recently found (2013) in Lake Bracciano (central Italy), the species is just one step away from extinction with an estimated population not exceeding 400 individuals and a spatial range of a few hundred square metres. Lake Bracciano is a deep, oligo‐mesotrophic Mediterranean
Bolpagni, Rossano   +7 more
openaire   +7 more sources

Taxonomic distinctness and conservation of a new high biodiversity subterranean area in Brazil [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2015
Subterranean environments, even though they do not possess a primary production (photosynthesis), may present high biodiversity, faunistic originality, endemism, phylogenetic isolations and unique ecological and/or evolution events, in addition to rare ...
JONAS E. GALLÃO, MARIA ELINA BICHUETTE
doaj   +4 more sources

Taxonomically and Functionally Distinct Ciliophora Assemblages Inhabiting Baltic Sea Ice [PDF]

open access: yesMicrobial Ecology, 2021
AbstractCiliophora is a phylum of unicellular eukaryotes that are common and have pivotal roles in aquatic environments. Sea ice is a marine habitat, which is composed of a matrix of solid ice and pockets of saline water in which Ciliophora thrive.
Markus Majaneva   +2 more
openaire   +4 more sources

Taxonomic Novelty and Distinctive Genomic Features of Hot Spring Cyanobacteria [PDF]

open access: yesFrontiers in Genetics, 2020
Several cyanobacterial species are dominant primary producers in hot spring microbial mats. To date, hot spring cyanobacterial taxonomy, as well as the evolution of their genomic adaptations to high temperatures, are poorly understood, with genomic information currently available for only a few dominant genera, including Fischerella and Synechococcus ...
Jaime Alcorta   +7 more
openaire   +5 more sources

Taxonomic distinctness and environmental assessment [PDF]

open access: yesJournal of Applied Ecology, 1998
Summary The objectives of this paper are to test the performance of the taxonomic distinctness index, δ+, in a number of environmental impact scenarios, to examine its relationship with functional diversity and to examine the influence of habitat type and diversity on the index.
Warwick, R.M., Clarke, K.R.
openaire   +1 more source

A taxonomic distinctness index and its statistical properties [PDF]

open access: yesJournal of Applied Ecology, 1998
Summary For biological community data (species‐by‐sample abundance matrices), Warwick & Clarke (1995) defined two biodiversity indices, capturing the structure not only of the distribution of abundances amongst species but also the taxonomic relatedness of the species in each sample.
Clarke, K.R., Warwick, R.M.
openaire   +1 more source

Assessment of the Ecological Status of Rongjiang Estuary (China) Under Human Pressure, Using Biotic Indices Based on Benthic Macroinvertebrates

open access: yesFrontiers in Environmental Science, 2021
Rongjiang River, the second largest river system in Guangdong Province, flows through the main urban areas of Jieyang and Shantou cities before reaching the South China Sea.
Yafang Li   +13 more
doaj   +1 more source

Taxonomic reclassification of Kaposi Sarcoma identifies disease entities with distinct immunopathogenesis

open access: yesJournal of Translational Medicine, 2023
Abstract Background The taxonomy of Kaposi Sarcoma (KS) is based on a classification system focused on the description of clinicopathological features of KS in geographically and clinically diverse populations. The classification includes classic, endemic, epidemic/HIV associated and iatrogenic KS, and KS in men who have
M. R. Openshaw   +5 more
openaire   +5 more sources

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