Results 11 to 20 of about 107,594 (348)

A program for statistic test of community evenness [PDF]

open access: yesComputational Ecology and Software, 2012
A Java program to statistically test community evenness was developed in this study. In the algorithm the community diversity was represented by Shaanon-Wiener index, and Ewens-Caswell neutrality model was used to test community evenness.
WenJun Zhang, Hao Zheng
doaj   +1 more source

On the diversity‐based measures of equalness and evenness

open access: yesMethods in Ecology and Evolution
While the notion of evenness is generally undisputed, its opposite, unevenness, is vague. Conventionally, evenness is understood to decrease, and thus unevenness to increase, as the effective number of types of positive frequency tends towards one while ...
Hans‐Rolf Gregorius   +1 more
doaj   +2 more sources

Exploring the Benefits of the Evenness Virtual Reality-Based Sensory Room [PDF]

open access: yes, 2021
This small-scale study represents the first independent investigation of the Evenness VR Sensory Room. This study had four core objectives: To identify the reported benefits of the Evenness VR Sensory Room and the impact according to the user’s age ...
Tracey, Danielle K. (R13635)   +1 more
core   +1 more source

The Concept of Evenness/Unevenness: Less Evenness or More Unevenness?

open access: yes, 2023
While evenness is understood to be maximal if all types (species, genotypes, alleles, etc.) are represented equally (via abundance, biomass, area, etc.), its opposite, maximal unevenness, either remains conceptually in the dark or is conceived as the ...
Gregorius, Hans-Rolf; Institut für Populations- und ökologische Genetik, Göttingen, Germany   +3 more
core   +1 more source

The Concept of Evenness / Unevenness

open access: yes, 2023
While evenness is understood to be maximal if all types (species, genotypes, alleles, etc.) are represented equally (via abundance, biomass, area,etc.), its opposite, maximal unevenness, either remains conceptually in the dark or is conceived as the type
Xudoyberdiyevich, Ruziyev Jamshid
core   +1 more source

Diversity and Distribution of Molluscs in the Intertidal Zone of Nglambor Beach, Gunung Kidul, Yogyakarta

open access: yesBIO Web of Conferences, 2021
The intertidal zone is the area between the highest and lowest tides, which represents the transition from ocean conditions to land conditions. This study aimed to determine the diversity and distribution of mollusks that exist along the intertidal zone ...
Fera Rahmawati Yunita   +4 more
doaj   +1 more source

Diversidade da comunidade de plantas invasoras em sistemas agroflorestais com café em Turrialba, Costa Rica Diversity of weed community in agroforestry systems with coffee in Turrialba, Costa Rica

open access: yesPesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi avaliar a diversidade de plantas invasoras, em sistemas agroflorestais com cafeeiros (Coffea arabica L.) e em cafezal a pleno sol, sob manejo orgânico e convencional.
Marta dos Santos Freire Ricci   +2 more
doaj   +1 more source

Cross-biome comparison of microbial association networks

open access: yesFrontiers in Microbiology, 2015
Clinical and environmental meta-omics studies are accumulating an ever-growing amount of microbial abundance data over a wide range of ecosystems. With a sufficiently large sample number, these microbial communities can be explored by constructing and ...
Karoline eFaust   +16 more
doaj   +1 more source

Palynological richness and evenness: insights from the taxa accumulation curve [PDF]

open access: yes, 2014
Palynology provides the opportunity to make inferences on changes in diversity of terrestrial vegetation over long time scales. The often coarse taxonomic level achievable in pollen analysis, differences in pollen production and dispersal, and the lack ...
Ammann, Brigitta   +2 more
core   +1 more source

Perception and appreciation of plant biodiversity among experts and laypeople

open access: yesPeople and Nature, 2023
Plant biodiversity, which is fundamental for the delivery of ecosystem services, is in decline. Yet, knowledge about how plant biodiversity is perceived and appreciated is scarce.
Eva Breitschopf, Kari Anne Bråthen
doaj   +1 more source

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