Characteristic values of key ecophysiological parameters in the genus Carex

Busch, J.

doi:10.1016/s0367-2530(17)30084-1

Cited by 21 publications

(20 citation statements)

References 171 publications

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“…Compilations like that of Ellenberg (1991) for vascular plants of central Europe and Busch (2001) for European sedges and the recent emphasis in the ecological community on gathering comparative data on the functional traits of plants (Westoby et al, 2002) are steps in the right direction, but more purposefully collected, comparable data on patterns of co-occurrence in Carex communities are also needed. Answering the fundamental evolutionary questions posed here will require the integration of geographical, ecological and trait data on plant species with information about their phylogenetic relationships.…”

Section: Future Prospectsmentioning

confidence: 99%

Phylogeny, Species Richness, and Ecological Specialization in Cyperaceae Tribe Cariceae

2008

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Cyperaceae tribe Cariceae is characterized by both species richness and habitat diversity, making it an ideal system to study ecological specialization and niche differentiation. We present a phylogenetic hypothesis for the tribe based on nuclear and chloroplast DNA sequence comparisons (ETS-1f, ITS, trnL intron, trnL-trnF intergenic spacer) for 140 representative species from five continents, and use this hypothesis to suggest patterns of both niche conservatism and niche differentiation, particularly within the large subgenus Carex. We identify a new major clade, comprising forest species of East Asian Carex section Siderostictae (subgenus Carex) as sister to the rest of tribe Cariceae. Within Carex subgenus Carex, species tolerant of water-saturated habitats occur in only a few, apparently derived groups, with varying species richness. Clades of predominantly wetland species tend to have broad geographic distribution, often with sister species on different continents, suggesting recent dispersal. In contrast, species within several clades are predominantly forest specialists with distinct Asian and North American lineages. Niche segregation along environmental gradients, such as soil moisture or acidity, is quite common among closely related wetland species, but more difficult to demonstrate within upland forest groups. More complete sampling of species within both wetland and forest groups, combined with comparable sampling of environmental preferences and testing against null models, will be needed for more rigorous exploration of the observed patterns.

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Section: Future Prospectsmentioning

confidence: 99%

Phylogeny, Species Richness, and Ecological Specialization in Cyperaceae Tribe Cariceae

2008

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“…Thomson et al (2011) suggested that unassisted and wind-dispersed seeds are the most common in desert species in India and only few species are animal-dispersed. For the genus of Carex, seed (achene) dispersal is especially not documented for the desert sedge (Busch, 2001;Janyszek et al, 2008;Abudureheman et al, 2014Abudureheman et al, , 2016.…”

Section: Introductionmentioning

confidence: 99%

Patterns of Reproductive and Seed Dispersal and Ecological Significance of the Clonal Spring Ephemeroid Plant Carex physodes in the Gurbantuggut Desert

Abudureheman

Chen

et al. 2018

Planta daninha

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-Carex physodes is an ephemeral species in the cold desert of Gurbantunggut in Northwest China. It has both asexual and sexual reproductive patterns. The primary aims of this study were to characterize the reproduction systems and identify the role of fruit dispersal in the sexual reproduction of C. physodes. Aboveground and underground biomass, root-shoot ratio, inflorescence biomass, fruit-set of C. physodes were measured and dispersal of perigynia and achenes in the natural habitat and indoor condition were studied. The underground biomass of C. physodes was approximately 10 times more than the aboveground biomass. The most parts of aboveground biomass is allocated to the inflorescence, which suggests that C. physodes allocates most biomass to the reproductive part. C. physodes produces perigynium with a pericarp containing one achene. The perigynia disperse at a much greater distance than achenes at both 1 and 4 m s -1 wind velocity, and the floating time of perigynia in water was much longer than that of achenes. Perigynia can hold more water and adher soil much more easily than achenes, which suggests that perigynia are suitable for wind dispersal, and they also adapt to spread at a long distance by occasionally rainfall. However, achenes may remain near the mother plants and only disperse at short distances. C. physodes is morphologically and physiologically adapted to the cold desert environment via a combination of characters associated with the rhizomatous and perigynium. This adaption may increase the opportunity of survival and expansion of population of C. physodes. Keywords

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“…( ¼ C. contigua Hoppe), a common taxon in Europe with wide ecological amplitude and found in many plant communities, is characterized by a distinct morphological variability of vegetative organs dependent on habitat conditions and on the type of plant community in which it occurs (Janyszek, 2004;Szczepanik-Janyszek, 2001). Although the genus Carex is a frequent component of plant communities, very little is known regarding the differentiation of sedge diaspores to different habitat conditions (ecophysiological traits: Busch, 2001). The majority of existing studies have focused primarily on the mass of diaspores in connection with their spread or germination (e.g.…”

Section: Introductionmentioning

confidence: 99%

Morphological variability of Carex spicata Huds. utricles among plant communities

Janyszek¹,

Jagodziński

Janyszek³

et al. 2008

Flora - Morphology, Distribution, Functional Ecology of Plants

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Characteristic values of key ecophysiological parameters in the genus Carex

Cited by 21 publications

References 171 publications

Phylogeny, Species Richness, and Ecological Specialization in Cyperaceae Tribe Cariceae

Phylogeny, Species Richness, and Ecological Specialization in Cyperaceae Tribe Cariceae

Patterns of Reproductive and Seed Dispersal and Ecological Significance of the Clonal Spring Ephemeroid Plant Carex physodes in the Gurbantuggut Desert

Morphological variability of Carex spicata Huds. utricles among plant communities

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