Mediterranean Botany最新文献_第2页

Evaluating canopy water content in grasslands by using in situ hyperespectral data 利用原位高光谱数据评价草原冠层含水量

4区生物学

Mediterranean Botany Pub Date : 2023-09-20 DOI: 10.5209/mbot.81561

Ahmet Karakoç, Murat Karabulut

{"title":"Evaluating canopy water content in grasslands by using in situ hyperespectral data","authors":"Ahmet Karakoç, Murat Karabulut","doi":"10.5209/mbot.81561","DOIUrl":"https://doi.org/10.5209/mbot.81561","url":null,"abstract":"The water content of vegetation is considered a key parameter for ecological analysis as well as for agricultural and forestry applications. Remote sensing methods offer significant advantages over traditional field methods for determining the water content of vegetation at the leaf, canopy, and landscape levels. In this study, the potential of hyperspectral vegetation indices in predicting canopy water content in grasslands was evaluated. For this purpose, data were collected from 3 several grasslands located at ~500 m, ~1200 m and ~1400 m altitudes. 71 samples were collected from each study area, and a total of 213 samples were analyzed. In this context, 59 ratio-based hyperspectral vegetation indices were tested. The relationship between canopy water content and hyperspectral vegetation indices was evaluated with linear, exponential, logarithmic and power regression models. The results showed that the NW-3 (920,970) index significantly represents the canopy water content variable. It was determined that the exponential regression model created with this index was able to explain the variations in canopy water content up to 85%. On the other hand, it has been detected that the high level of water content in the vegetation creates a significant saturation problem. Another finding of this study is that the predictive power reaches higher levels in low canopy water content characteristics. The results of this study show that in situ hyperspectral data has a very high potential in determining vegetation water content in grasslands.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136308357","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: 0

Bromus cincinnatus (Poaceae): perennial oat-grass or annual brome-grass? 蝎尾草(禾本科):多年生燕麦草还是一年生雀麦草?

IF 1 4区生物学

Mediterranean Botany Pub Date : 2023-06-12 DOI: 10.5209/mbot.84748

Carlos Romero Zarco

引用次数: 1

New insights about Quercus faginea (s.l) taxonomic status in northern Africa 标题北非黑栎(Quercus faginea)分类地位的新认识

IF 1 4区生物学

Mediterranean Botany Pub Date : 2023-06-12 DOI: 10.5209/mbot.82996

Abdeldjalil Aissi

{"title":"New insights about Quercus faginea (s.l) taxonomic status in northern Africa","authors":"Abdeldjalil Aissi","doi":"10.5209/mbot.82996","DOIUrl":"https://doi.org/10.5209/mbot.82996","url":null,"abstract":"The genus Quercus is known for its taxonomic complexity that is characterized by the abundant morphologicaldiversity and phenomena of hybridization and introgression found in a number of its species. The number of taxacontinues to change and evolve despite systematists’ attempts to clarify and simplify it. The Quercus faginea s.l. complexrepresents one of the most conclusive and complex examples found in the North-Western Mediterranean and North Africa.Nevertheless, the systematics of this complex have undergone a remarkable evolution from the first Lamarckian taxa Q.lusitanica and Q. faginea to the present day, especially in the Iberian Peninsula, Tunisia, and Algeria, by virtue of therecognized taxa. To compare Moroccan taxa with those found in other regions, as well as update the taxonomic status ofpopulations found in Morocco, data found in a corresponding bibliography was used for a critical and objective analysis.Although the taxonomic situation remains unresolved, the analysis found that there is a likely presence of the fagineavariety in Morocco, while also anticipating the confirmation of a new morphological analysis that accounts for the stablecriteria used for an infraspecific distinction. The rest of Morocco’s stands seem to be represented by Q. canariensis andQ. faginea subsp. broteroi. Considering the uncertain existence of maroccana, further study of its distinct morphologicaland biogeographical peculiarity is required.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43750495","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: 0

New data on freshwater lichens in Mediterranean streams 地中海溪流中淡水地衣的新数据

IF 1 4区生物学

Mediterranean Botany Pub Date : 2023-06-12 DOI: 10.5209/mbot.84924

Gregorio Aragón, Marina Vicente, Gil Fernando Giménez, P. Hurtado

引用次数: 0

Identity of north African endemic bryophytes, 3, with special emphasis in Funaria altissima 北非特有苔藓植物的特征，3，特别是在高脚藻中

IF 1 4区生物学

Mediterranean Botany Pub Date : 2023-05-08 DOI: 10.5209/mbot.84615

Rosa María Ros Espín, J. Muñoz, O. Werner

引用次数: 1

Typification of five names in the tribe Antirrhineae (Plantaginaceae) 车前草科车前草属五种名称的分类

IF 1 4区生物学

Mediterranean Botany Pub Date : 2023-05-08 DOI: 10.5209/mbot.84675

P. P. Ferrer Gallego, Javier Fabado, J. Güemes, L. Sáez

引用次数: 0

The epiphytic lichens on Fagus sylvatica in beech forests of Europe: towards an open and dynamic checklist 欧洲山毛榉林中山毛榉树上的附生地衣：走向开放和动态清单

IF 1 4区生物学

Mediterranean Botany Pub Date : 2023-04-17 DOI: 10.5209/mbot.84299

P. Hurtado, Gregorio Aragón Rubio, I. Martínez, H. Mayrhofer, M. Prieto

引用次数: 1

Diversity and conservation of the Gredos Regional Park peatlands (Iberian Central System, Spain): Geomorphological and geobotanical characterisation and incoming threats 格雷多斯地区公园泥炭地的多样性和保护(西班牙伊比利亚中央系统):地貌和地学特征和即将到来的威胁

IF 1 4区生物学

Mediterranean Botany Pub Date : 2023-04-17 DOI: 10.5209/mbot.80170

J. A. López Sáez, Reyes Luelmo Lautenschlaeger, R. M. Carrasco, J. Pedraza, D. Sánchez-Mata, Enrique Luengo-Nicolau

{"title":"Diversity and conservation of the Gredos Regional Park peatlands (Iberian Central System, Spain): Geomorphological and geobotanical characterisation and incoming threats","authors":"J. A. López Sáez, Reyes Luelmo Lautenschlaeger, R. M. Carrasco, J. Pedraza, D. Sánchez-Mata, Enrique Luengo-Nicolau","doi":"10.5209/mbot.80170","DOIUrl":"https://doi.org/10.5209/mbot.80170","url":null,"abstract":"High-mountain peatlands are essential ecosystems for habitats, biodiversity, water, and carbon cycling, butthere is little comprehensive information in central Iberia. We present results of research concerning the distribution,geormorphology, floristic, geobotany, and habitat diversity of peatlands in the Gredos Regional Park (Iberian Central System).We identified 72 peatlands covering 117 ha and ranging in size from 0.01 to 17.34 ha. Peatlands occur primarily in theupper orosubmediterranean bioclimatic belt at 1775–2230 m asl. From a geomorphological point of view, 9 differentpeatland typologies have been defined. Multivariate analyses (agglomerative cluster analysis and principal componentanalysis) of 103 relevés allowed us to classify the sampled peatland stands into 7 plant communities and 4 Europeanhabitats that formed along complex hydrogeomorphic conditions, and to propose a new subassociation of other communitypreviously described (Caricetum echinato-nigrae lycopodielletosum inundatae). The main threat to Gredenseanpeatlands is pastoral pressure, which affects 15 of them intensively, mainly between the upper supramediterranean andthe lower orosubmediterranean bioclimatic belts (~1314–1700 m asl). Seven bryophytes and three vascular plantsdocumented in the Gredos Regional Park peatlands are included in the IUCN Red List. From the point of view ofconservation priority, the most threatened correspond to transition mires communities (Habitat 7140) growing inoligotrophic and minerotrophic peatlands (Caricion nigrae vegetation). Particularly, the Iberian Central System endemicSedo lagascae-Eriophoretum latifolii association is the one that has achieved the highest score in the five criteriaconsidered in this regard because Meesia triquetra, a species with the category of “critically endangered”, inhabits it.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47581902","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: 1

Population dynamics of Ericaria zosteroides (Ochrophyta, Fucales) in the central Mediterranean 地中海中部绒纹埃里卡种群动态研究

IF 1 4区生物学

Mediterranean Botany Pub Date : 2023-04-17 DOI: 10.5209/mbot.79885

G. Marletta, A. Lombardo

{"title":"Population dynamics of Ericaria zosteroides (Ochrophyta, Fucales) in the central Mediterranean","authors":"G. Marletta, A. Lombardo","doi":"10.5209/mbot.79885","DOIUrl":"https://doi.org/10.5209/mbot.79885","url":null,"abstract":"Ericaria zosteroides is a canopy-forming macroalga belonging to the order Fucales, which dominates Mediterranean deep-water stands. In the present research, populations of E. zosteroides from three locations (Santa Maria La Scala, Scalo Pennisi and Acque Fredde) along the central-eastern coast of Sicily (Italy, central Mediterranean) were monitored for five years (from 2017 to 2021). E. zosteroides from all locations in this area share a common phenology: recruits start to appear between January-February; then during spring the frond grows and becomes fertile; in summer it begins to thin out until the autumn when almost all branches have been lost; and finally at the beginning of winter, new primary branches start to grow from the tophules. Nonetheless, we detected a difference in the most frequent size class among the studied populations, being 9 cm at Santa Maria La Scala, 6 cm at Scalo Pennisi and 4 cm at Acque Fredde. This difference could be due to the current regime, related to the tidal currents of the Strait of Messina and upwelling currents of the Ionian Sea, and the coastal morphology which determines local variations in this regime, with multiple eddies characterised by marked directional instability. The low growth rate and dynamics of these stands make them very susceptible to recovery from anthropogenic impacts. Considering that E. zosteroides is a threatened species according to the Barcelona Convention, it would be crucial to ameliorate the conservation status of the investigated populations, which currently do not present any level of protection, in order to promote their future viability.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48177604","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: 0

Validation of syntaxon names and lectotypifications for some Italian vegetation types 一些意大利植被类型的句法名称和选型的验证

IF 1 4区生物学

Mediterranean Botany Pub Date : 2023-03-13 DOI: 10.5209/mbot.77383

D. Viciani

引用次数: 0