Author: David Zeleny

Which results of the standard test for community weighted mean approach are too optimistic?

David Zelený

The relationship between the average height of understory herbs (CWM of species height) and the amount of light passing through the forest canopy (quantified by visually estimated cover of trees and shrubs at each site). If the analysis based on CWM approach was done by a standard parametric test, the result is highly significant (P<0.001). However, the result of the standard test is overly optimistic; the max test, which is the correct test for this analysis, returns considerably less exciting P-value (P=0.052).

Imagine a forest, with trees forming a canopy and herbs growing in the understory.…

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This is not a pine: a fieldwork story

The post provided by Emilie Champagne

One of my field assistant (Lorraine Lessard) carefully recording browsing in a 4 m2 plot, in Outaouais (Québec, Canada). Photo credit: Emilie Champagne.

This post refers to the article Forage diversity, type and abundance influence winter resource selection by white‐tailed deer by Emilie Champagne, André Dumont, Jean‐Pierre Tremblay and Steeve D.

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In the quest of designing grassland communities resistant to invasions during ecological restoration

The post provided by Florencia A. Yannelli

Controlled conditions in greenhouse experiments enable us to test a plethora of hypotheses in community or invasion ecology by reducing the effect confounding factors. Photo credit: Florencia Yannelli.

This post refers to the article Seed density is more effective than multi‐trait limiting similarity in controlling grassland resistance against plant invasions in mesocosms by Yannelli et al.…

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Slow recovery of arbuscular mycorrhizal fungi and plant community after fungicide application: An eight-year experiment

Hana Pánková, Tomáš Dostálek, Kristýna Vazačová & Zuzana Münzbergová

Study site – dry grassland in the central part of the Czech Republic. Photo credit: Hana Pánková.

Dry grasslands represent one of the most species-rich communities in Europe with a high occurrence of rare species.…

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The assembly of a plant network in alpine vegetation

Gianalberto Losapio, Marcelino de la Cruz, Adrián Escudero, Bernhard Schmid & Christian Schöb

The study site in the Swiss Alps (Lämmerenboden, 2300 m a.s.l.). Photo credit:
Gianalberto Losapio.

Plant ecology has always focused on interactions among species within communities. Ecological research has targeted the importance of negative interactions such as competition among plants for resources.…

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A virtual tour from the Carpathian Basin to the Far East – an overview and synthesis of Eurasian forest-steppes

The post provided by László Erdős

Forest steppe in Northern Hungary. Photo credit: Péter Török.

According to the biophilia hypothesis of Edward O. Wilson, certain biological patterns evoke positive feelings in humans. As a considerable part of our evolution took part in savannas, so the argument runs, we are genetically determined to enjoy ecosystems with a savanna-like mosaic pattern of trees and grasslands.…

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