Webbia最新文献_第7页

A key to the grasses (Poaceae) of Egypt 埃及禾本科植物的一把钥匙

Webbia Pub Date : 2020-11-18 DOI: 10.36253/jopt-9004

P. Peterson, H. Hosni, Eman K. Shamo

引用次数: 2

Studies on the Dipterocarpaceae of Borneo, II. Ant stipule-brood sites and extra floral nectary association in saplings of Shorea macrophylla [sect. Pachycarpae] in Sarawak, Malaysian Borneo 婆罗洲龙脑香科植物研究，Ⅱ。马来西亚婆罗洲砂拉越的大叶滨鹬幼树中的蚂蚁托叶繁殖部位和花外蜜腺结合

Webbia Pub Date : 2020-07-01 DOI: 10.36253/jopt-8183

S. Wong, P. Boyce

引用次数: 0

Introduction 介绍

Webbia Pub Date : 2020-07-01 DOI: 10.36253/jopt-9207

P. Boyce

引用次数: 0

Two new endemic species of Monstera (Araceae: Monsteroideae: Monstereae) from Golfito in southern Costa Rica 哥斯达黎加南部Golfito的两个新的特有种Monstera（天南星科：Monsteroideae：Monstereae）

Webbia Pub Date : 2020-07-01 DOI: 10.36253/jopt-8091

Marco Cedeño‐Fonseca, A. Hay, M. Grayum, M. Blanco

引用次数: 5

Monitoring of alien aquatic plants in the inland waters of Sicily (Italy) 西西里内陆水域外来水生植物监测（意大利）

Webbia Pub Date : 2020-07-01 DOI: 10.36253/jopt-8414

A. Troìa, V. Ilardi, E. Oddo

引用次数: 4

The Gerire Hills, SE Ethiopia: ecology and phytogeographical position of an additional local endemic, Anacampseros specksii (Anacampserotaceae) 埃塞俄比亚东南部Gerire Hills：另一种当地特有的Anacampseros specksii（Anacampserotaceae）的生态和植物地理位置

Webbia Pub Date : 2019-07-03 DOI: 10.1080/00837792.2019.1670020

I. Friis, M. G. Gilbert, O. Weber, P. van Breugel, S. Demissew

{"title":"The Gerire Hills, SE Ethiopia: ecology and phytogeographical position of an additional local endemic, Anacampseros specksii (Anacampserotaceae)","authors":"I. Friis, M. G. Gilbert, O. Weber, P. van Breugel, S. Demissew","doi":"10.1080/00837792.2019.1670020","DOIUrl":"https://doi.org/10.1080/00837792.2019.1670020","url":null,"abstract":"ABSTRACT Anacampseros specksii Dreher (Anacampserotaceae, in Flora of Ethiopia and Eritrea in Portulacaceae), was described in 2016 from plants grown from seeds collected from Bale, SE Ethiopia. The species was not included in the paper on the Gerire Hills published by the present authors in Webbia in 2018. A. specksii is here considered to be another narrow endemic species in the Gerire Hills, belonging to the group of species that grows on the edges of Monte Ellot and Bur Caddas on sandstone rocks eroding into loose gravel. Anacampseros vespertina, the only other species of Anacampseros in NE tropical Africa, grows on limestone gravel in Somalia near the Indian Ocean, whilst the south tropical African species, A. rhodesica, grows on granite rocks in Zimbabwe, Botswana, Mozambique and South Africa. The conservation assessment in 2016 for A. specksii was Data Deficient (DD) because only one population had been observed and the number of individuals is not known; this assessment is here discussed and maintained.","PeriodicalId":39391,"journal":{"name":"Webbia","volume":"74 1","pages":"185 - 192"},"PeriodicalIF":0.0,"publicationDate":"2019-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00837792.2019.1670020","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49403544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Rediscovery of Syzygium cyanophyllum (Myrtaceae): a threatened rheophytic shrub endemic to Assam, north-east India 再发现的紫荆(桃金娘科):印度东北部阿萨姆邦特有的一种受威胁的流生灌木

Webbia Pub Date : 2019-07-03 DOI: 10.1080/00837792.2019.1675261

J. Sarma, H. Barbhuiya, S. Dey, A. Begum

引用次数: 1

Diversity and distributional patterns of aroids (Alismatales: Araceae) along an elevational gradient in Darién, Panama 巴拿马Darién海拔梯度上aroids（Alimatales:Araceae）的多样性和分布模式

Webbia Pub Date : 2019-07-03 DOI: 10.1080/00837792.2019.1646465

O. O. Ortíz, M. S. D. de Stapf, T. Croat

{"title":"Diversity and distributional patterns of aroids (Alismatales: Araceae) along an elevational gradient in Darién, Panama","authors":"O. O. Ortíz, M. S. D. de Stapf, T. Croat","doi":"10.1080/00837792.2019.1646465","DOIUrl":"https://doi.org/10.1080/00837792.2019.1646465","url":null,"abstract":"ABSTRACT The family Araceae (aroids) represents an ecologically important and diverse group of plants in Panama, represented by 25 genera, 615 species, of which 277 (45%) are considered endemic. The aim of this study is to analyse the diversity and distributional patterns of aroids along an elevation gradient in the species-rich forests of Darién, Panama. We confined our study to three study sites, selected across gradients of elevation (ranges): 100–300, 500–700 and 1100–1300 m. We recorded 3187 specimens, of which 397 were terrestrials, 637 epiphytes and 2153 nomadic vines, distributed in 10 genera and 61 species. Our study shows that the most diverse areas were those between 500 and 700 m and the highest abundance were measured at 1100–1300 m. The epiphytic aroids displayed greater species richness and abundance at 1100–1300 m; the nomadic vines had greater richness between 500 and 700 m and greater abundance from 100 to 300 m. Similarly, terrestrial aroids showed greater richness at 500–700 m, and exhibited abundance values similar to that of the epiphytes. We measured a high degree of aroid species turnover along the elevation gradient and some genera and species (many being endemic) appeared strongly associated with sites at specific elevations.","PeriodicalId":39391,"journal":{"name":"Webbia","volume":"74 1","pages":"339 - 352"},"PeriodicalIF":0.0,"publicationDate":"2019-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00837792.2019.1646465","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41663720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

Reproductive phenology, zygote embryology and germling development of the threatened Carpodesmia barbatula (= Cystoseira barbatula) (Fucales, Phaeophyta) towards its possible restoration 受威胁的巴氏囊藻的生殖酚学、受精卵胚胎学和生殖发育

Webbia Pub Date : 2019-07-03 DOI: 10.1080/00837792.2019.1692594

Gilda Savonitto, G. Alongi, A. Falace

{"title":"Reproductive phenology, zygote embryology and germling development of the threatened Carpodesmia barbatula (= Cystoseira barbatula) (Fucales, Phaeophyta) towards its possible restoration","authors":"Gilda Savonitto, G. Alongi, A. Falace","doi":"10.1080/00837792.2019.1692594","DOIUrl":"https://doi.org/10.1080/00837792.2019.1692594","url":null,"abstract":"ABSTRACT Carpodesmia barbatula (= Cystoseira barbatula) (Fucales, Phaeophyta) is a species endemic to the Southern Mediterranean Sea, which grows in clean waters on exposed sublittoral rocky shores. Together with other species of the genus Cystoseira sensu lato, it is an ecosystem engineer that forms dense canopy forests, sustaining biodiversity, productivity and nutrient cycling in temperate rocky reefs. Human impacts and climate stressors are seriously hampering these ecosystems and actual conservation efforts appear insufficient for their preservation. Restoration actions could be a solution for the loss of these habitats, but they require the deep knowledge of the target species. In the present study, we describe egg release, zygote development and germling growth of C. barbatula, poorly known, despite its importance in the upper sublittoral seaweed flora. The aim is to improve the knowledge on the early life stages of this rare and threatened species, towards its possible future restoration.","PeriodicalId":39391,"journal":{"name":"Webbia","volume":"74 1","pages":"317 - 323"},"PeriodicalIF":0.0,"publicationDate":"2019-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00837792.2019.1692594","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46152085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

Our present knowledge about the history and composition of the vegetation and flora of Libya 我们目前对利比亚植被和植物群的历史和组成的了解

Webbia Pub Date : 2019-07-03 DOI: 10.1080/00837792.2019.1669361

M. Saaed, Y. M. EL-BARASI, Rebeh O. Rahil

{"title":"Our present knowledge about the history and composition of the vegetation and flora of Libya","authors":"M. Saaed, Y. M. EL-BARASI, Rebeh O. Rahil","doi":"10.1080/00837792.2019.1669361","DOIUrl":"https://doi.org/10.1080/00837792.2019.1669361","url":null,"abstract":"ABSTRACT Although the documentation of data about the Libyan vegetation began since ancient time and modern studies started at the beginning of the eighteenth century, the Libyan flora is not fully understood, particularly in the interior lands, the southern mountains, desert valleys and depressions, and, of course, the northern valleys. The number of recorded Libyan plants is about 2082 species; this is not commensurate with the vast area of Libya (1.75 million km2), nor with the significant variation amongst the various ecotypes in the different biogeographical zones of the country. Therefore, the flora and vegetation survey in Libya is still an open field of study, and the ease and continuous recording of new species demonstrate the necessity to document the bibliography of the flora and conduct more detailed investigations. Furthermore, an arbitration process and scrutiny of the collected plant specimens to produce an updated checklist and modern classification of the flora does not exist yet. This study is an attempt to provide a detailed and closed review of the literature and afford updated data about the composition of the flora, which could be an important step for initiating a reassessment and updating of the vegetation and flora of Libya.","PeriodicalId":39391,"journal":{"name":"Webbia","volume":"74 1","pages":"325 - 338"},"PeriodicalIF":0.0,"publicationDate":"2019-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00837792.2019.1669361","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43061801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3