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Global assessment of aquatic Isoëtes species ecology / Mattia M. Azella in Freshwater Biology, 69 (10) (2024) 

Public Citation [article]  inFreshwater Biology > 69 (10) (2024) . - 1420-1437 Titre : Global assessment of aquatic Isoëtes species ecology Type de document : Imprimé Auteurs : Mattia M. Azella ; Alice Dalla Vecchia ; Thomas Abeli ; Janne Alahuhta ; Victor B. Amoroso ; Enric Ballesteros (1958-) ; Vincent Bertrin (1978-) ; Daniel F. Brunton ; Alexander A. Bobrov ; Cecilio Caldeira ; Simona Ceschin ; Elena V. Chemeris ; Martina Čtvrtlíková ; Mary de Winton ; Esperança Gacia i Passola ; Oleg G. Grishutkin ; Deborah Hofstra ; Daniella Ivanova ; Maria O. Ivanova ; Nikita K. Konotop ; Danelle M. Larson ; Sara Magrini ; Marit Mjelde ; Olga A. Mochalova ; Guilherme Oliveira ; Ole Pedersen ; Jovani B. de S. Pereira ; Cristina Ribaudo ; María Inmaculada Romero Buján ; Angelo Troía ; Yulia S. Vinogradova ; Polina A. Volvoska ; Daniel Basílio Zandonadi ; Nadezhda V. Zueva ; Rossano Bolpagni Année de publication : 2024 Article en page(s) : 1420-1437 Langues : Anglais (eng) Mots-clés : Isoetes echinospora Durieu, 1861  Isoetes lacustris L. Résumé : Isoëtes are iconic but understudied wetland plants, despite having suffered severe losses globally mainly because of alterations in their habitats. We therefore provide the first global ecological assessment of aquatic Isoëtes to identify their environmental requirements and to evaluate if taxonomically related species differ in their ecology. The assessment resulted in an extensive new database on aquatic Isoëtes, ecological niche analyses, and descriptive species accounts. We compiled a global database that includes all known environmental data collected from 1935 to 2023 regarding aquatic Isoëtes. We then evaluated the environmental drivers of 16 species using 2,179 global records. Additionally, we used hypervolume analysis to quantify the ecological niches of the two species with the greatest number of records, finding significant differences and evidence that Isoëtes echinospora occupies a wider ecological niche than Isoëtes lacustris. Fifty-nine species (30% of the c. 200 Isoëtes species known today) were categorised as aquatic and were mainly reported in the Americas and northern Europe. About 38% of the aquatic species are threatened with extinction or are endemic to a small region, according to the International Union for Conservation of Nature's Red List in 2023. Many species were determined to be sensitive to certain water physical and chemical factors, generally preferring oligotrophic conditions such as low total phosphorus, moderate total nitrogen, moderate to low pH, and low conductivity. This analysis includes ecological data in the assessment of rare/threatened aquatic plants globally. This new database and the ecological analyses completed defined the ecological requirements of several species and identified knowledge gaps, which can aid management actions and future research. This paper highlights ecological significance and environmental sensitivities of aquatic Isoëtes. The current level of knowledge is inadequate for a large proportion of known taxa. We affirm the extreme need to support global, collaborative initiatives on which to build future conservation strategies. Lien pérenne : DOI : 10.1111/fwb.14316 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=153664 Azella, Mattia M., Dalla Vecchia, Alice, Abeli, Thomas, Alahuhta, Janne, Amoroso, Victor B., Ballesteros, Enric (1958-), Bertrin, Vincent (1978-), Brunton, Daniel F., Bobrov, Alexander A., Caldeira, Cecilio, Ceschin, Simona, Chemeris, Elena V., Čtvrtlíková, Martina, Winton, Mary de, Gacia i Passola, Esperança, Grishutkin, Oleg G., Hofstra, Deborah, Ivanova, Daniella, Ivanova, Maria O., Konotop, Nikita K., Larson, Danelle M., Magrini, Sara, Mjelde, Marit, Mochalova, Olga A., Oliveira, Guilherme, Pedersen, Ole, Pereira, Jovani B. de S., Ribaudo, Cristina, Romero Buján, María Inmaculada, Troía, Angelo, Vinogradova, Yulia S., Volvoska, Polina A., Zandonadi, Daniel Basílio, Zueva, Nadezhda V., Bolpagni, Rossano 2024 Global assessment of aquatic Isoëtes species ecology. Freshwater Biology, 69(10): 1420-1437.

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Isoetes ×jermyi hyb nov. (Isoetaceae), a new quillwort (lycophyte) hybrid from western Europe / Daniel F. Brunton in Botany letters, 168 (4) (2021)

Public Citation [article]  inBotany letters > 168 (4) (2021) . - 503-511 Titre : Isoetes ×jermyi hyb nov. (Isoetaceae), a new quillwort (lycophyte) hybrid from western Europe Type de document : Imprimé Auteurs : Daniel F. Brunton ; Frederick James Rumsey (1963-) Année de publication : 2021 Article en page(s) : 503-511 Langues : Anglais (eng) Catégories : [CBNPMP-Thématique] Eaux douces [CBNPMP-Géographique] Europe Mots-clés : Isoetes ×jermyi  Isoëtes echinospora Durieu  Isoetes lacustris L.  Isoetes × hickeyi  Isoëtes morei Résumé : Isoetes ×jermyi, hyb nov. (Isoetaceae), is the sterile hexaploid (6x) hybrid quillwort of diploid (2x) I. echinospora x decaploid (10x) I. lacustris. It has been identified from cytologically confirmed plants at several sites in the western United Kingdom and by the morphological determination of herbarium specimens from sites in north-eastern France and Småland, Sweden. Clarification is provided for the distinctions of 6x I. ×jermyi from the similar, apparently heptaploid (7x) Pyrenean endemic I. ×brochonii and the misapplied 6x North American endemic I. ×hickeyi. The possibility that enigmatic Irish quillwort I. morei could represent this taxon is discussed and rejected. The frequency of its occurrence in the United Kingdom suggests that I. ×jermyi can be expected to occur regularly within mixed I. echinospora and I. lacustris populations across the wide area of north-western Europe where the two species are sympatric. Lien pérenne : DOI : 10.1080/23818107.2021.1907223 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=146887 Brunton, Daniel F., Rumsey, Frederick James (1963-) 2021 Isoetes ×jermyi hyb nov. (Isoetaceae), a new quillwort (lycophyte) hybrid from western Europe. Botany letters, 168(4): 503-511.

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R20640	P-1824	Revue	Centre de documentation	Revues	Consultable

The taxonomy, status and origin of Isoetes ×brochonii and I. creussensis (Isoetaceae), two Pyrenean endemic taxa / Daniel F. Brunton in Botany letters, 167 (4) (2020)

Public Citation [article]  inBotany letters > 167 (4) (2020) . - 391-408 Titre : The taxonomy, status and origin of Isoetes ×brochonii and I. creussensis (Isoetaceae), two Pyrenean endemic taxa Type de document : Imprimé Auteurs : Daniel F. Brunton, Auteur ; Paul C. Sokoloff, Auteur ; Pere Aymerich, Auteur Année de publication : 2020 Article en page(s) : 391-408 Langues : Anglais (eng) Catégories : [CBNPMP-Thématique] Endémisme [CBNPMP-Thématique] Ptéridophytes, fougères [CBNPMP-Géographique] Europe du Sud [CBNPMP-Géographique] Pyrénées Mots-clés : Isoetes brochonii Motelay  isoetes creussensis  Isoetes echinospora Durieu, 1861  Isoetes lacustris L. Résumé : Isoetes brochonii has possibly been subject to more taxonomic designations over the last century than any other European quillwort and most commonly has been put into synonymy with the widespread I. lacustris. Investigations of herbarium and living material in the present study, however, indicate it to be a sterile (aborted spored) hybrid, I. ×brochonii (pro sp.), confined to high elevation lakes of the Pyrenees mountains in France, Spain and Andorra. This represents the first uniquely European Isoetes hybrid to be described. Putative parents are diploid I. echinospora and dodecaploid I. creussensis, probably a hybridogenic Pyrenean endemic. The speciation of I. creussensis may well have occurred in Pyrenean refugia during Quaternary glacial-interglacial fluctuations. We found no convincing evidence for the occurrences of decaploid I. lacustris in the Pyrenees where it appears to have been confused with I. creussensis. A comparative table of the distinguishing morphological characteristics of I. creussensis and I. lacustris is provided, with megaspore ornamentation and microspore size indicated as being particularly important indicators. Lien pérenne : DOI : 10.1080/23818107.2020.1790034 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=144701 Brunton, Daniel F., Sokoloff, Paul C., Aymerich, Pere 2020 The taxonomy, status and origin of Isoetes ×brochonii and I. creussensis (Isoetaceae), two Pyrenean endemic taxa. Botany letters, 167(4): 391-408.

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Code-barres	Cote	Support	Localisation	Section	Disponibilité
R19208	P-1824	Revue	Centre de documentation	Revues	Consultable