Ecological indicator and traits values for Swedish vascular plants

Tyler, Torbjörn; Herbertsson, Lina; Olofsson, Johan; Olsson, Pål Axel

doi:10.1016/j.ecolind.2020.106923

Cited by 73 publications

(127 citation statements)

References 79 publications

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“…Values represent the mean of 4 replicates ± SE. Plants were classified as annuals or perennials according to Grime et al 1996or Tyler et al 2021, and mycorrhizal status was classified according to Harley and Harley (1987).…”

Section: Resultsmentioning

confidence: 99%

Temporal patterns of carbon flow from grassland vegetation to soil microorganisms measured using 13C-labelling and signature fatty acids

Birgander

Olsson

2021

Plant Soil

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Purpose We investigated how the C flow from plants to microorganisms varies throughout the year in a temperate grassland. Additionally, we investigated how the C flow relates to saprotrophic activity and vegetation changes. Methods In situ stable isotope pulse labelling (13CO2) was employed to estimate the flow of recently plant-derived C to soil microorganisms by using signature fatty acids. Bacterial and fungal growth was estimated using radio-labelling in laboratory incubations. Results The C flow from plants to arbuscular mycorrhizal (AM) fungi peaked during the warmer parts of the year, but saprotrophic microorganisms showed little temporal variation in C flow. Also saprotrophic fungi received considerable amounts of C from plants throughout the year. Bacterial and fungal growth showed temporal variation with a growth peak in August for both. This suggests a shift in the C source from mainly rhizosphere C in colder parts of the year, to older C-sources in warmer parts of the year (August). Conclusion We conclude that AM fungi, saprotrophic fungi and bacteria differ in the amount of recently-fixed C they receive from plants throughout the year. Hence, temporal patterns need to be considered to understand ecosystem functioning. The studied plant community included winter annuals, which potentially maintain a high C flow to saprotrophic fungi during the cold season.

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Section: Resultsmentioning

confidence: 99%

Temporal patterns of carbon flow from grassland vegetation to soil microorganisms measured using 13C-labelling and signature fatty acids

Birgander

Olsson

2021

Plant Soil

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“…Diagnosis of abiotic environment parameters can be complemented by the system of Ellenberg indicators [119][120][121][122][123]. In the present investigation, results of Ellenberg indicator analysis (the values of selected indicators representing species preferences for light, temperature and moisture) are to some extent obvious because only a specific group of plants, i.e., xerothermic species, was considered.…”

Section: Discussionmentioning

confidence: 95%

Basaltic Outcrops as Centers of Diversity for Xerothermic Plants in the Sudetes Mountains (Central Europe)

Kwiatkowski

2021

Diversity

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Rock outcrops have promoted a high level of species diversity and provided a stable microclimate for long time periods. The present study is devoted to plant diversity of natural Quaternary outcrops of basaltic rocks. Chorological and ecological investigations were carried out at 35 such outcrops, located within five physiogeographic units of the Sudetes Mountains. The focus was on 120 xerothermic taxa of vascular plants: 62 strictly xerothermic (steppe) taxa of the Festuco valesiacae-Brometea erecti class, and 58 thermophilous taxa representing classes Trifolio medii-Geranietea sanguinei and Quercetea pubescentis. Limited geographical ranges of these plants are manifested by variable frequency of their occurrence. Species distribution is determined by natural factors, like surface area of the outcrop, the type of basaltic rock and the type of plant communities developed. Basaltic outcrops in the Sudetes meet the criterion of habitat islands (inselbergs), serve as regional centers of vascular flora, and are refugia for marginal populations of relict species.

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“…To explore the responses of individual species we selected a set of Ecological Indicator Values (EIV) [23] that directly link to the main factors influencing the abundance of vascular plants in boreal forests. We compared six EIVs (heat requirement, continentality, light, moisture, soil reaction (pH) and nitrogen) for species showing significant change with the EIVs for the other plant species monitored by the NFI by calculating mean EIVs for each of the groups.…”

Section: Discussionmentioning

confidence: 99%

“…To further explore patterns among the vascular plants showing significantly decreasing cover we utilized the ecological indicator values (EIV) provided by [23]. Although available for a large range of aspects, we limit this comparison to EIVs directly linked to factors well-known to influence boreal forest plants, that is, heat requirement, continentality, light, moisture, soil reaction (pH) and nitrogen.…”

Section: Appendix Bmentioning

confidence: 99%

“…Although available for a large range of aspects, we limit this comparison to EIVs directly linked to factors well-known to influence boreal forest plants, that is, heat requirement, continentality, light, moisture, soil reaction (pH) and nitrogen. For these six EIVs, an ordinal scale is provided by [23]. Although the scales are ordinal, we have calculated the mean EIV values for the species showing a significant decrease in cover in our study and compared these with the mean values for all other vascular plants included in the Swedish NFI.…”

Section: Appendix Bmentioning

confidence: 99%

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Rapid Changes in Ground Vegetation of Mature Boreal Forests—An Analysis of Swedish National Forest Inventory Data

Jonsson

Dahlgren

Ekström

et al. 2021

Forests

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The boreal forest floor vegetation is critical for ecosystem functioning and an important part of forest biodiversity. Given the ongoing global change, knowledge on broad-scale changes in the composition and abundance of different plant species and species groups is hence important for both forest conservation and management. Here, we analyse permanent plot data from the National Forest Inventory (NFI) on changes in the vegetation over a 10-year period in four regions of Sweden. To limit the direct and relatively well-known effects of forest management and associated succession, we only included mature forest stands not influenced by forestry during the 10 years between inventories, and focused on vegetation change mainly related to other factors. Results show strong decrease among many species and species groups. This includes dominant species such as Vaccinimum myrtillus and Deschampsia flexuosa as well as several forest herbs. The only species increasing are some mosses in the southern regions. Our data do not allow for a causal interpretation of the observed patterns. However, the changes probably result from latent succession in combination with climate change and nitrogen deposition, and with time lags complicating the interpretation of their relative importance. Regardless of the cause, the observed changes are on a magnitude that suggest impacts on ecosystem functioning and hence highlight the need for more experimental work.

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Ecological indicator and traits values for Swedish vascular plants

Cited by 73 publications

References 79 publications

Temporal patterns of carbon flow from grassland vegetation to soil microorganisms measured using 13C-labelling and signature fatty acids

Temporal patterns of carbon flow from grassland vegetation to soil microorganisms measured using 13C-labelling and signature fatty acids

Basaltic Outcrops as Centers of Diversity for Xerothermic Plants in the Sudetes Mountains (Central Europe)

Rapid Changes in Ground Vegetation of Mature Boreal Forests—An Analysis of Swedish National Forest Inventory Data

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