Substratum‐Associated Microbiota

Pinowska, Agnieszka; Francoeur, Steven N.; Manoylov, Kalina M.

doi:10.2175/106143008x328842

Cited by 3 publications

(1 citation statement)

References 147 publications

(150 reference statements)

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“…and Schizothrix sp. [47]) and diatoms (i.e., M. calcarea [38]) preserve nutrients and thus increase resource use efficiency [81]. However, where and when P concentrations increase, for example downstream of intensively cultivated areas, heterotrophic bacteria activity increases as they efficiently exchange dissolved, adsorbed, and organic P [82], causing a shift from cohesive mats to loose mats [43].…”

Section: Algaementioning

confidence: 99%

Why Do We Need to Document and Conserve Foundation Species in Freshwater Wetlands?

Marazzi

Gaiser

Eppinga

et al. 2019

Water

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Foundation species provide habitat to other organisms and enhance ecosystem functions, such as nutrient cycling, carbon storage and sequestration, and erosion control. We focus on freshwater wetlands because these ecosystems are often characterized by foundation species; eutrophication and other environmental changes may cause the loss of some of these species, thus severely damaging wetland ecosystems. To better understand how wetland primary producer foundation species support other species and ecosystem functions across environmental gradients, we reviewed ~150 studies in subtropical, boreal, and temperate freshwater wetlands. We look at how the relative dominance of conspicuous and well-documented species (i.e., sawgrass, benthic diatoms and cyanobacteria, Sphagnum mosses, and bald cypress) and the foundational roles they play interact with hydrology, nutrient availability, and exposure to fire and salinity in representative wetlands. Based on the evidence analyzed, we argue that the foundation species concept should be more broadly applied to include organisms that regulate ecosystems at different spatial scales, notably the microscopic benthic algae that critically support associated communities and mediate freshwater wetlands’ ecosystem functioning. We give recommendations on how further research efforts can be prioritized to best inform the conservation of foundation species and of the freshwater wetlands they support.

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