Cryptogamie Algologie最新文献_第10页

Epithemia hirudiniformis and Related Taxa within the Subgenus Rhopalodiella subg. nov. in Comparison to Epithemia subg. Rhopalodia stat nov. (Bacillariophyceae) from East Africa 水蛭癣亚属及其相关分类群。11 .与Epithemia亚群的比较。产自东非的芽孢杆菌

IF 1.3 4区生物学

Cryptogamie Algologie Pub Date : 2018-02-23 DOI: 10.7872/crya/v39.iss1.2018.35

Christine Cocquyti, Wolf-Henning Kusber, R. Jahn

{"title":"Epithemia hirudiniformis and Related Taxa within the Subgenus Rhopalodiella subg. nov. in Comparison to Epithemia subg. Rhopalodia stat nov. (Bacillariophyceae) from East Africa","authors":"Christine Cocquyti, Wolf-Henning Kusber, R. Jahn","doi":"10.7872/crya/v39.iss1.2018.35","DOIUrl":"https://doi.org/10.7872/crya/v39.iss1.2018.35","url":null,"abstract":"Abstract Epithemia hirudiniformis and three morphologically related taxa, described in Rhopalodia by O. Müller from material collected in East Africa at the end of the 19th and the beginning of the 20th century were re-evaluated and lectotypes designated. Rhopalodiella as a new subgenus is proposed which refines O. Müller's infrageneric classification and to which all these taxa belong. In addition, the type of Epithemia rhopala, described by Ehrenberg from Egypt, was studied to examine the assumed synonymy, introduced by Hustedt, with some of Müller's species. This study, using light and scanning electron microscopy, was not only based on historic material but also more recent material from Africa, including samples from the Island of Reunion from which the new species Epithemia vandevijveri is described. The distribution of Epithemia subg. Rhopalodiella, known to be restricted to tropical Africa, is discussed based on literature data and own observations. Corresponding to recent molecular-based studies, Rhopalodia is given a new status as subgenus.","PeriodicalId":51000,"journal":{"name":"Cryptogamie Algologie","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2018-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83392068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Instructions aux Auteurs

IF 1.3 4区生物学

Cryptogamie Algologie Pub Date : 2018-01-01 DOI: 10.7872/crya/v39.iss1.2018.139

I. Probert, D. Lamy

引用次数: 0

Cryptic Cyanobacterial Diversity in the Giant Cave (Trieste, Italy): The New Genus Timaviella (Leptolyngbyaceae) 巨型洞穴(意大利的里雅斯特)的隐藻多样性:Timaviella新属(细藻科)

IF 1.3 4区生物学

Cryptogamie Algologie Pub Date : 2017-11-21 DOI: 10.7872/crya/v38.iss4.2017.285

Katia Sciuto, E. Moschin, I. Moro

{"title":"Cryptic Cyanobacterial Diversity in the Giant Cave (Trieste, Italy): The New Genus Timaviella (Leptolyngbyaceae)","authors":"Katia Sciuto, E. Moschin, I. Moro","doi":"10.7872/crya/v38.iss4.2017.285","DOIUrl":"https://doi.org/10.7872/crya/v38.iss4.2017.285","url":null,"abstract":"Abstract \u0000 The microflora of hypogean environments has been studied increasingly worldwide. However, some sites have hardly been examined or not studied at all; this is the case for the Giant Cave, a Karst show cave located near Trieste, Italy. In the present study we began characterizing the Giant Cave Lampenflora by using a polyphasic approach, focusing, in particular, on three Leptolyngbya-like strains named GR2, GR4, and GR13. Light and electron microscopic observations were carried out and the water-soluble pigment composition was analysed. Phylogenetic reconstruction, based on the 16S rRNA gene and the 16S-23S ITS region, was performed to better understand the taxonomic position of these strains, complemented by 16S-23S ITS secondary structure analysis. Ecological and geographical data for the investigated strains and for the other cyanobacterial strains grouping with them in the phylogenetic reconstructions were also considered. Based on the results, strain GR2 was ascribed to the species Heteroleibleinia purpurascens (Hansgirg) Anagnostidis & Komárek; strains GR4 and GR13 were attributed to a new genus of the family Leptolyngbyaceae, Timaviella Sciuto & Moro, gen. nov., and represented two distinct species: Timaviella circinata Sciuto & Moro and Timaviella karstica Sciuto & Moro.","PeriodicalId":51000,"journal":{"name":"Cryptogamie Algologie","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2017-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78636205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 31

Morphology and Ecology of a New Centric Diatom Belonging to the Cyclotella comta (Ehrenberg) Kützing Complex: Lindavia khinganensis sp. nov. from the Greater Khingan Range, Northeastern China 属于Cyclotella comta (Ehrenberg) k<s:1> tzing复合体的一种新中心硅藻的形态和生态学:大兴安岭Lindavia khinganensis sp. nov.

IF 1.3 4区生物学

Cryptogamie Algologie Pub Date : 2017-11-21 DOI: 10.7872/crya/v38.iss4.2017.349

P. Rioual, D. Jewson, Qiang Liu, G. Chu, Jingtai Han, Jia-qi Liu

{"title":"Morphology and Ecology of a New Centric Diatom Belonging to the Cyclotella comta (Ehrenberg) Kützing Complex: Lindavia khinganensis sp. nov. from the Greater Khingan Range, Northeastern China","authors":"P. Rioual, D. Jewson, Qiang Liu, G. Chu, Jingtai Han, Jia-qi Liu","doi":"10.7872/crya/v38.iss4.2017.349","DOIUrl":"https://doi.org/10.7872/crya/v38.iss4.2017.349","url":null,"abstract":"Abstract \u0000 During an investigation on the diatom communities of volcanic lakes of Northeastern China a new species belonging to the “Cyclotella comta species complex” was observed. This taxon forms relatively large populations in the phytoplankton of Lake Tuofengling Tianchi, a 33m-deep, oligotrophic, crater lake located in Inner Mongolia. In this paper, the valve morphology and ultrastructure of this taxon is described using light and scanning electron microscopy and a new name, Lindavia khinganensis sp. nov., is proposed. A discriminant analysis based on morphological LM and SEM data confirmed that L. khinganensis is distinct from other Lindavia species with a similar morphology such as L. comta (Ehrenberg) Nakov et al., L. radiosa (Grunow) De Toni & Forti, L. balatonis (Pantocsek) Nakov et al., L. praetermissa (Lund) Nakov et al. and L. tenuistriata (Hustedt) Nakov et al. In addition, the seasonal and interannual distribution of L. khinganensis was investigated using sediment trap samples collected over a two-year period. Limnological data from Lake Tuofengling, including water chemistry and temperature recording from a thermistor chain provided complementary information about the ecology of this new species. This species was not found in any other lakes from Northeastern China that we investigated.","PeriodicalId":51000,"journal":{"name":"Cryptogamie Algologie","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2017-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82344187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 8

When Invaders Go Unnoticed: The Case of Gracilaria vermiculophylla in the British Isles 当入侵者不被注意的时候:不列颠群岛上的荆芥的案例

IF 1.3 4区生物学

Cryptogamie Algologie Pub Date : 2017-11-21 DOI: 10.7872/crya/v38.iss4.2017.379

S. A. Krueger‐Hadfield, Caroline L. Magill, Francis Bunker, N. Mieszkowska, E. Sotka, C. Maggs

{"title":"When Invaders Go Unnoticed: The Case of Gracilaria vermiculophylla in the British Isles","authors":"S. A. Krueger‐Hadfield, Caroline L. Magill, Francis Bunker, N. Mieszkowska, E. Sotka, C. Maggs","doi":"10.7872/crya/v38.iss4.2017.379","DOIUrl":"https://doi.org/10.7872/crya/v38.iss4.2017.379","url":null,"abstract":"Abstract \u0000 Our knowledge of non-native algae in benthic estuarine habitats is relatively poor, especially compared to algal introductions along open shores or on floating structures. Gracilaria vermiculophylla is a widespread macroalgal invader in the temperate estuaries of the Northern Hemisphere, and, here, we expand its documented range within northeastern Ireland and England. Established populations occur within two inlets in the border counties, Carlingford Lough (Counties Louth and Down) and Dundrum Bay (County Down), but G. vermiculophylla is absent from open coasts between these sites. Repeated surveys in Dundrum Bay showed variable abundances, with an increase in biomass between 2013 and 2016. Three populations were discovered in England, where this species had not previously been identified: Christchurch Harbour (Dorset), Brownsea Island in Poole Harbour (Dorset), and Kingsbridge Estuary (Devon). The Irish and English thalli belong to the most common, invasive cox1 haplotype 6. Using a combination of morphological observations and 10 microsatellite loci, we found that the population at Carlingford Lough included both reproductive haploid gametophytes and diploid tetrasporophytes and genetic signatures of sexual reproduction, but the populations at Christchurch and Brownsea displayed signatures of partial clonality. Genetic diversity was higher along the south coast of England as compared to the Irish population, consistent with patterns of diversity previously described for the European coasts. Finally, we also note the occurrence of a putative G. vermiculophylla population in Wales at Porthmadog, Gwynedd. As the sites in which we have now documented G. vermiculophylla in the British Isles also host shellfish aquaculture activities, our study is further evidence for the role of aquaculture in the spread of invasive species.","PeriodicalId":51000,"journal":{"name":"Cryptogamie Algologie","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2017-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86318510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 14

The Scaled Chrysophyte Flora in Freshwater Ponds and Lakes from Newfoundland, Canada, and their Relationship to Environmental Variables 加拿大纽芬兰淡水池塘和湖泊中有鳞苔藓植物区系及其与环境变量的关系

IF 1.3 4区生物学

Cryptogamie Algologie Pub Date : 2017-11-21 DOI: 10.7872/crya/v38.iss4.2017.325

P. Siver, Anne M. Lott

{"title":"The Scaled Chrysophyte Flora in Freshwater Ponds and Lakes from Newfoundland, Canada, and their Relationship to Environmental Variables","authors":"P. Siver, Anne M. Lott","doi":"10.7872/crya/v38.iss4.2017.325","DOIUrl":"https://doi.org/10.7872/crya/v38.iss4.2017.325","url":null,"abstract":"Abstract \u0000 The distributions of scaled chrysophytes in 22 waterbodies from the eastern portion of Newfoundland, Canada, are described relative to environmental gradients. A rich and diverse flora of scaled chrysophytes was recorded that included 47 species from six genera, Mallomonas (n = 29), Synura (n = 7), Neotessella (n = 1), Chrysosphaerella (n = 2), Spiniferomonas (n = 7) and Paraphysomonas (n = 1). Combined with previous works, 57 species of scaled chrysophytes are now known from Newfoundland. On average, 15 species were recorded from each site, and 34 of the taxa were found in more than 10% of the sites. The most widely distributed species were Mallomonas duerrschmidtiae, M. galeiformis, Synura echinulata, S. sphagnicola, and S. petersenii sensu lato, each found in over 75% of the study sites. Seven additional species were found in over 50% of the localities indicating the rich diversity of the flora. One site is of particular significance as it represents the type locality for three species, including Mallomonas newfoundlandicus sp. nov. described in this communication, and represents the northern-most site harboring the marker taxon, M. binocularis. Expanded descriptions of M. maculata and Spiniferomonas abei are given, and evidence is presented that Synura synuroidea represents two distinct species. Overall, the flora reflects habitats that are acidic, dilute and contain moderate to high concentrations of humic substances. Since many of the species are diagnostic bioindicators, these organisms would provide a valuable resource for future paleolimnological studies aimed at understanding impacts from environmental stressors on Newfoundland lakes.","PeriodicalId":51000,"journal":{"name":"Cryptogamie Algologie","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2017-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75319972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 12

Aneumastus laosica sp. nov. and A. genkalii sp. nov. — Two New Diatom Species from Laos (Southeast Asia) with Comments on the Biogeography of the Genus

IF 1.3 4区生物学

Cryptogamie Algologie Pub Date : 2017-08-24 DOI: 10.7872/crya/v38.iss3.2017.183

A. Glushchenko, M. Kulikovskiy, A. Okhapkin, J. Kociolek

引用次数: 11

Diversity and Distribution of Characeae in the Maghreb (Algeria, Morocco, Tunisia) 马格里布地区(阿尔及利亚、摩洛哥、突尼斯)文字的多样性和分布

IF 1.3 4区生物学

Cryptogamie Algologie Pub Date : 2017-08-24 DOI: 10.7872/crya/v38.iss3.2017.201

S. Muller, L. Rhazi, I. Soulié-Märsche, M. Benslama, Marion Bottollier-Curtet, A. DAOUD-BOUATTOUR, G. Bélair, Z. Ghrabi-Gammar, P. Grillas, L. Paradis, Hanene Zouaïdia-Abdelkassa

{"title":"Diversity and Distribution of Characeae in the Maghreb (Algeria, Morocco, Tunisia)","authors":"S. Muller, L. Rhazi, I. Soulié-Märsche, M. Benslama, Marion Bottollier-Curtet, A. DAOUD-BOUATTOUR, G. Bélair, Z. Ghrabi-Gammar, P. Grillas, L. Paradis, Hanene Zouaïdia-Abdelkassa","doi":"10.7872/crya/v38.iss3.2017.201","DOIUrl":"https://doi.org/10.7872/crya/v38.iss3.2017.201","url":null,"abstract":"Abstract \u0000 Characeae are macroscopic green algae present in the Maghreb (Morocco, Algeria, Tunisia) that are known since the 19th century works of Desfontaines (1800) and Braun (1868). Feldmann (1946) published the first regional synthesis, and this study provides a new Maghreb-wide synthesis of all collections made since 1784 (570 observations distributed over 464 sites). Each of the 31 reported species is described in detail with its diagnostic features, ecology and distribution in the three Maghrebian countries. Distribution maps distinguish between the three collection periods: 1780–1939, 1940–1979, and 1980–2016. An illustrated key is provided to help botanists working in the Maghreb to identify the taxa. From a biogeographical perspective, the Characean flora of the Maghreb is dominated by elements originating from northern (European) countries (61.3%) that include regionally very rare species such as Chara strigosa and C. tomentosa. The Mediterranean-Atlantic element is also well represented (32.3%), with some Mediterranean endemics (Chara imperfecta, C. oedophylla, C. vulgaris var. gymnophylla). Finally, two taxa that have an affinity for tropical conditions (Chara zeylanica and Lamprothamnium succinctum) extend to the southern Sahara. In North Africa, 14 species (7 Chara, 2 Lamprothamnium, 4 Nitella and 1 Sphaerochara) are threatened and raise issues about their conservation; three of these are particularly endangered: Chara imperfecta, C. oedophylla and Lamprothamnium papulosum.","PeriodicalId":51000,"journal":{"name":"Cryptogamie Algologie","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2017-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89760309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 17

Temporal and Spatial Dynamics of Diatom (Bacillariophyceae) Communities in a Peatland Area 泥炭地硅藻群落的时空动态

IF 1.3 4区生物学

Cryptogamie Algologie Pub Date : 2017-08-24 DOI: 10.7872/crya/v38.iss3.2017.253

P. Mutinová, Jana Kulichová, K. I. Ugland

{"title":"Temporal and Spatial Dynamics of Diatom (Bacillariophyceae) Communities in a Peatland Area","authors":"P. Mutinová, Jana Kulichová, K. I. Ugland","doi":"10.7872/crya/v38.iss3.2017.253","DOIUrl":"https://doi.org/10.7872/crya/v38.iss3.2017.253","url":null,"abstract":"Abstract \u0000 This study was conducted to simultaneously investigate the spatial and temporal dynamics of diatom communities inhabiting two microhabitat types (Sphagnum periphyton and epipelon) in a peatland area of the Czech Republic. The changes in diatom community structure and corresponding diversity indices at both large (i.e., variation between sites) and small (i.e., variation between two microhabitats) scales were assessed through time. The results indicated clear spatial patterns at large, but not at small scale, and only limited seasonal dynamics in the diatom community. At the large scale, significant differences in diatom communities among sites were associated with both geographic position and environmental conditions (pH and conductivity). A significant effect of microhabitat type was detectable within sampling sites; the relationship between other factors and species data was not important on a small scale. The results of this study showed that both diatom diversity and community structure are good indicators of ecological heterogeneity associated with relatively high spatial and/or environmental variability. However, subtle differences in environmental conditions are hardly detectable or hidden using traditional diatom species.","PeriodicalId":51000,"journal":{"name":"Cryptogamie Algologie","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2017-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78852516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Introduction of a New Potential Invader into the Mediterranean Sea: The Indo-Pacific Avrainvillea amadelpha (Montagne) A. Gepp & E.S. Gepp (Dichotomosiphonaceae, Ulvophyceae) 地中海新潜在入侵者的引入:印度-太平洋Avrainvillea amadelpha (Montagne) a . Gepp & E.S. Gepp

IF 1.3 4区生物学

Cryptogamie Algologie Pub Date : 2017-08-24 DOI: 10.7872/crya/v38.iss3.2017.267

M. Verlaque, H. Langar, A. Hmida, Christine Pergent, G. Pergent

引用次数: 9