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Journal articles on the topic 'Flora of streams'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Gilbert, O. L., and V. J. Giavarini. "The Lichen Vegetation of Acid Watercourses in England." Lichenologist 29, no. 4 (1997): 347–67. http://dx.doi.org/10.1006/lich.1997.0090.

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AbstractThe lichen vegetation of forty-five acid watercourses in England is described and related to ecological variables. The zonation scheme adopted for chalk and limestone streams that involves four overlapping bands of lichen vegetation related to length of submergence is also appropriate for this habitat. The flora involves around 90 species, a number of which are rarely recorded specialists. Evidence is presented that substratum chemistry is a more powerful ecological factor than water chemistry. An attempt has been made to relate the lichen flora to homogeneous stream segments from the

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2

Chudaev, D. A. "Materials to diatom flora of Moscow Region: naviculoid diatoms of Meleevsky Stream (Zvenigorod Biological Station)." Novosti sistematiki nizshikh rastenii 50 (2016): 142–59. http://dx.doi.org/10.31111/nsnr/2016.50.142.

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The article contains a brief review of investigation of diatom flora of S. N. Skadovsky Zvenigorod Biological Station (Moscow Region). Until present the shallow streams of Moscow Region and European Russia did not attract a proper attention of the diatomologists that makes this study important. To date studies of algae of Meleevsky Stream have not been conducted. The stream flows a in spruce forest, its valley is swampy and water is characterized by circumneutral pH values and medium electrolyte content. The list of 98 species, varietes and morphotypes of naviculoid diatoms belonging to 18 gen

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Sedova, Oksana V., and Vladimir A. Boldyrev. "Flora of water bodies and streams in Saratov region: The history of research and the current status." Izvestiya of Saratov University. Chemistry. Biology. Ecology 22, no. 3 (2022): 313–30. http://dx.doi.org/10.18500/1816-9775-2022-22-3-313-330.

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Water plants and coastal riparian plants are an integral part of the habitat forming component of water ecosystems in Saratov region. This article gives a review of long-term research of flora in many water reservoirs and water streams of the Saratov region. The analysis of literature in its historical aspect showed that the degree of scientific knowledge about water flora in the Saratov region is still insufficient despite multiple research projects conducted at the end of the 20th and beginning of the 21st centuries. At the moment some research is being conducted concerning the inventory and

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Robson, Belinda J. "Role of residual biofilm in the recolonization of rocky intermittent streams by benthic algae." Marine and Freshwater Research 51, no. 7 (2000): 725. http://dx.doi.org/10.1071/mf00012.

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Human use of stream flow for water supply may increase the duration and/or frequency of dry periods in intermittent streams, but there is little information on the effect of this change on in-stream flora or fauna. To predict the effects of dry periods on stream biota, it is necessary to understand the relative roles of various sources of recolonization. A transplant experiment was used to test the hypothesis that the dry residual algal biofilm on stones in intermittent streams is an important source of algal growth when the streams are re-wetted. Two sites were chosen, one on each of two inte

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Pentecost, A. "The Lichen Flora of Gwynedd." Lichenologist 19, no. 2 (1987): 97–166. http://dx.doi.org/10.1017/s0024282987000124.

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AbstractThe lichen flora of the county of Gwynedd, north-west Wales, is described. The flora includes 851 species and 19 subspecies and varieties. The work comprises sections on: climate; geology; land use and vegetation; history of lichenology, 1680–1985; corticolous flora, with classification and description of the important woodland sites; inland saxicolous flora, dealing with acid, intermediate and basic rock, the effects of altitude and aspect, the flora of seepages, streams and lakes; heath and moorland flora; coastal flora classified into the recognized zones of the marine littoral, mes

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BISHOP, IAN W., RHEA M. ESPOSITO, MEREDITH TYREE, and SARAH A. SPAULDING. "A diatom voucher flora from selected southeast rivers (USA)." Phytotaxa 332, no. 2 (2017): 101. http://dx.doi.org/10.11646/phytotaxa.332.2.1.

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This flora is intended to serve as an image voucher for samples analyzed for the U.S. Geological Survey Southeast Stream Quality Assessment (SESQA). The SESQA study included measurement of watershed and water quality parameters to determine the factors that have the greatest potential to alter biotic condition. Algal samples were collected at 108 sites in 2014, from streams representing gradients in chemical and physical alteration across the southeast region. More than 375 taxa were identified during analysis for species composition and abundance. This manuscript documents the flora with ligh

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Falasco, Elisa, Elena Piano, and Francesca Bona. "Diatom flora in Mediterranean streams: flow intermittency threatens endangered species." Biodiversity and Conservation 25, no. 14 (2016): 2965–86. http://dx.doi.org/10.1007/s10531-016-1213-8.

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8

Kopalova, Katerina, Jana Veselá, Josef Elster, Linda Nedbalová, Jiří Komárek, and de Vijver Bart Van. "Benthic diatoms (Bacillariophyta) from seepages and streams on James Ross Island (NW Weddell Sea, Antarctica)." Plant Ecology and Evolution 145, no. (2) (2012): 190–208. https://doi.org/10.5091/plecevo.2012.639.

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<b>Background and aim</b> – The non-marine diatom communities in the Antarctic Region are characterized by a typical species composition, in close relationship with their environment. Despite the growing interest, the diatom flora of James Ross Island is only poorly known. The present paper discusses the diversity of limnoterrestrial diatoms on this island: seepages and streams. <b>Methods</b> – The diatom flora of 53 samples taken on the eastern side of the Ulu peninsula on James Ross Island has been studied using light and scanning electron microscopy. <b>Key results</b> – A total of 69 diat

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Imanbayeva, A. A., N. I. Duissenova, A. B. Lukmanov, G. Zh Dosshchieva, and G. G. Gassanova. "About floristic records of the Mangystau flora." Bulletin of the Karaganda University. “Biology, medicine, geography Series” 112, no. 4 (2023): 49–54. http://dx.doi.org/10.31489/2023bmg4/49-54.

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This article presents the geographical novelties of the Mangystau flora discovered during the botanical expedition in 2023. One of the oasis territories of the Mangistau desert is the mountainous and foothill strips of the mountainous Karatau. For the first time, three species of woody plants, Prunus spinosa L., Rosa iliensis Chrshan, Armeniaca vulgaris L. from the family Rosaceae Juss, were found in the gorges of Kogez, Akmysh, Samal of the Mountain Karatau in the valleys of streams and along the slopes of the mountains. Thickets of bushes Prunus spinosa L. and endemic species of South Kazakh

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Gilbert, O. L. "The Lichen Vegetation of Chalk and Limestone Streams in Britain." Lichenologist 28, no. 2 (1996): 145–59. http://dx.doi.org/10.1006/lich.1996.0013.

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AbstractThe results of a nationwide survey of lichens associated with streams on chalk and limestone are reported. The lichen communities are present as a series of overlapping bands related to length of submergence. These have been named the submerged, fluvial mesic, fluvial xeric and fluvial terrestrial zones. The flora involves around 50 lichens, many of which are rarely recorded specialists restricted to this habitat. The richest sites for submerged species are headwaters, especially around springs. Active tufa deposition and disturbance of the stream bed by farm stock are detrimental to a

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Kim, Dong-Wook, Je-Chul Park, and Jae-Keun Ryu. "An Investigation of Flora and Fauna in Upper streams and Lower streams of Weirs with and without a Fish-Way in Ham-an Stream." Environmental Engineering Research 13, no. 3 (2008): 147–54. http://dx.doi.org/10.4491/eer.2008.13.3.147.

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Benjamin, Sylvia E., and M. Asif Nishat. "Impacts of tanneries wastewater on the vicinal flora of Sheikhupura and Kasur, Pakistan." Ovidius University Annals of Chemistry 32, no. 1 (2021): 90–97. http://dx.doi.org/10.2478/auoc-2021-0013.

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Abstract It is of paramount concern that some leather tanneries around the world are disposing waste in environment which are a cause of destruction of flora and fauna in vicinity. Especially chrome tanning poses a major threat due to the release of chromium in wastewater (WW). Hexavalent chromium (Cr6+) is a potential carcinogen and thus demands stern quality control measures. The present investigations focused on the quality of WW released from leather tanneries of two cities i.e., Sheihupura and Kasur, Pakistan, and its effect on the vicinal flora. Cr6+ and total chromium (Cr) in all the sa

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Bukhchuluun, Tsegmid, and Tuulaikhuu Baigal-Amar. "Diatom diversity of Western Khentey Mountain area, Mongolia." Проблемы ботаники южной сибири и монголии 19, no. 2 (2020): 252–57. http://dx.doi.org/10.14258/pbssm.2020114.

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The main objective of this study was to quantify the diatom flora richness and analyze the diversitystructure in the aquatic habitats in Western Khentey Mountain area. During the diatom study of some streams andrivers namely Barchuluut, Huder, Ichleg, Shariin gol, and Sharlan rivers, which are located in western part of Khenteymountains, 98 species of diatoms were registered and the result compared with literature sources. In the water bodies inthe western part of Khentey mountains totally 673 species and subspecies of algae were registered (Bacillariophyceae(640), Coscinodiscophyceae (20), Me

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Singh, Yogendra, Ashish K. Chowdhary, and S. N. Bahuguna. "Ichthyofaunal diversity in Bachan Gad and Kakda streams of the Mid-himalayan Ganga river system of Garhwal in relation to stream gradient and distance." Journal of Applied and Natural Science 6, no. 1 (2014): 298–303. http://dx.doi.org/10.31018/jans.v6i1.419.

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The present study was carried out to investigate the comparative seasonal distribution and relative abundance of fish fauna of streams Bachan Gad of river Alaknanda and Kakda Gad of river Mandakini of Mid-himalayan Ganga river System. Total length of the Bachan Gad is 14.5 km from origin to the confluence at main river Alaknanda with an altitudinal variation from 605.94 to 1418.23m (a.s.1), whereas, total length of the Kakda Gad is 15.5 km. from origin to confluence at main river Mandakini with altitudinal variation from 984.50 to 1993.70 m (a.s.1). Total 23 species from Bachan Gad and 20 fish

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ZOGARIS, S., Y. CHATZINIKOLAOU, and P. DIMOPOULOS. "Riparian woodland flora in upland rivers of Western Greece." Mediterranean Marine Science 9, no. 2 (2008): 87. http://dx.doi.org/10.12681/mms.134.

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Although natural riparian woodlands are an important feature that affects the quality of aquatic conditionsin streams and rivers, surveying riparian zone flora is rarely implemented in the Mediterraneancountries. We developed a rapid assessment method for gathering standardized plot-based woody flora andvegetation data from riparian woodlands. In 2005 we surveyed 218 streamside vegetation plots at 109 sitesin upland areas of four major rivers in mainland Greece (Alfios, Acheloos, Arachthos, and Aoos). Herewe describe the survey method and provide selected results from its initial implementatio

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Kovar-Eder, Johanna. "Plant diversity at the final stage of the Miocene Climate Optimum – Revision of the flora of Leoben, Styria, Austria." Acta Palaeobotanica 64, no. 2 (2024): 123–286. https://doi.org/10.35535/acpa-2024-0008.

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The floras of Leoben and Parschlug (Styria, Austria) derive from nearby basins along the Mur/ Mürz fault system, representing the drowning stages of the mires in these basins. They are regarded as being similar in age. Based on its revision, the flora of Parschlug is interpreted to reflect the vegetation in the close lake surroundings and the hinterland of the respective basin. Subhumid sclerophyllous forest is concluded to be the most likely major vegetation type in the hinterland, which developed under seasonally dry climate. These results raised the question of a potential signal provided b

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17

SALINAS, VICTOR HUGO, DEMETRIO MORA, REGINE JAHN, and NÉLIDA ABARCA. "New species of Pseudostaurosira (Bacillariophyceae) including a tripolar taxon from mountain streams of Central Mexico." Phytotaxa 464, no. 3 (2020): 193–206. http://dx.doi.org/10.11646/phytotaxa.464.3.1.

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A morphological study based on light microscopy and scanning electron microscopy describing three new Pseudostaurosira species from mountain streams in Central Mexico is presented herein. Epilithon and water samples for physico-chemical analyses were collected from eleven mountain streams in the Basin of Mexico, located within the Trans-Mexican Volcanic Belt. The bipolar Pseudostaurosira carmonae and P. caballeroae, and the tripolar P. iztaccihuatlii are described from Coaxcacoaco, San Rafael and Ameca streams, located at elevations above 2600 m. These streams were characterized by cold, well

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18

Aguiar, Francisca C., Carolina Rodrigues, João P. Pina, and Paula Soares. "Regeneration of Riparian and Maritime Pine Forests after a Large Wildfire on the Largest Public Forest of Portugal." Forests 12, no. 4 (2021): 477. http://dx.doi.org/10.3390/f12040477.

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Eighty-six percent of the largest Portuguese public forest, Leiria National Forest (Mata Nacional de Leiria—MNL), central west, was burned in a wildfire in October 2017. Most of the area was covered by maritime pine stands (Pinus pinaster Aiton) crossed by riparian forests along small-sized streams. This work aims to characterize the post-fire vegetation and evaluate its natural regeneration. Sampling was carried out c. 6 months after the fire in 28 plots distributed at pine stands (3.5 × 3.5 m2) and in 24 plots (5 × 20 m2) at stream channels and riverbanks. These latter surveys were repeated

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Vidakovic, Danijela, Olga Jakovljevic, Dragana Predojevic, et al. "An updated list of Serbian diatom flora: New recorded taxa." Archives of Biological Sciences 70, no. 2 (2018): 259–75. http://dx.doi.org/10.2298/abs170606043v.

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Diatoms are a widespread group of organisms with well-known ecological preferences. Knowledge of their diversity is of great importance for assessing the environmental status of different aquatic ecosystems. The present study was based on 55 different localities that included rivers, streams, channels, accumulations and salt marshes throughout Serbia. The results of this study expanded the diatom checklist by 80 taxa, including two new recorded genera (Fistulifera and Microfissurata) for Serbia. The data were obtained by combining light microscopy (LM) and scanning electron microscopy (SEM) th

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Davydov, Denis. "Cyanobacterial Diversity of the Northern Polar Ural Mountains." Diversity 13, no. 11 (2021): 607. http://dx.doi.org/10.3390/d13110607.

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This study provides new results from an inventory of cyanobacterial species from the Northern Polar Ural Mountains. The article also compiles all existing published data on the cyanobacterial diversity of the region. This ecoregion is located in a unique geographical position in the transition between the sub-Arctic and low Arctic zones and heterogeneous natural conditions. Likely, the unexplored biodiversity of this area’s terrestrial cyanobacteria is high. In total, 52 localities were studied, with 232 samples collected. Cyanobacterial samples were studied under a light microscope. Species w

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Sultangazina, G. J., and G. K. Sharipova. "Cyperaceaein the flora of «Burabay» Nature park." Bulletin of the Karaganda University “Biology medicine geography Series” 94, no. 2 (2019): 170–78. https://doi.org/10.31489/2019bmg2/170-178.

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In the article the territorial study results of «Burabay» State National Nature park (2010–2018) are provided. It gives an annotated species list of the Cyperaceae family and identifies main habitat types for each species with their frequency of occurrence. 46 species of the Cyperaceaefamily grow in «Burabay» State National Nature park. It makes 25.3 % of their total amount in Kazakhstan. The largest genus of the Cyperaceae family is Carex (36 species, 5.6 %). Most species of sedge grasses prefer moist, marshy biotopes which are frequent in the area under study. They are Carex acuta, C. acutif

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Lazarević, Predrag, and Bojan Zlatković. "Ranunculus aconitifolius L. (Ranunculaceae), a taxon new for the flora of Serbia." Botanica Serbica 42, no. 1 (2018): 147–51. https://doi.org/10.5281/zenodo.1173573.

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During extensive field investigations on Mt. Željin (central Serbia), <em>Ranunculus aconitifolius </em>L. (Ranunculaceae) was recorded for the first time in Serbia. This species inhabits waterlogged places near springs and streams and is most abundant within vegetation of the <em>Calthion palustris </em>alliance. All known habitats are situated in small areas below the mountain peaks Oglavlje and Plo&scaron;ka Čuka. This paper treats the taxonomic status of <em>R. aconitifolius </em>and presents data on its morphological characteristics, habitat preferences, and distribution in Serbia.

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Gavrilova, Gertrūde, Māris Laiviņš, Agnese Priede, and Anda Medene. "Alien flora in the Lake Engure Nature Park." Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences. 65, no. 5-6 (2011): 154–63. http://dx.doi.org/10.2478/v10046-011-0031-3.

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Alien flora in the Lake Engure Nature Park This paper describes the alien vascular plant flora in the Lake Engure Nature Park, one of the most species-richest and diverse areas in Latvia. The review was based on the floristic inventories conducted in 1983-1989 and a field survey carried out in 2010. In total, 68 alien species (7.6% of the vascular plant flora in the nature park) were recorded, of which four had established in the period between both surveys. 22 species were recognised as adventive species and 46 as escaped species. Most of the alien species area concentrated in coastal village

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Dustov, Beknazar, Kurbangul Aitbayeva, Vakhob Rakhmonov, Yigitali Tashpulatov, and Shavkat Shernazarov. "Floristic and ecological characteristics of algoflora of different types of reservoirs of the West Zarafshan Ridge (Uzbekistan)." E3S Web of Conferences 510 (2024): 03003. http://dx.doi.org/10.1051/e3sconf/202451003003.

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This article provides a final study of the algal flora of different reservoirs of the West Zarafshan Range. The taxonomic, floristic and ecological features of the reservoirs were analyzed. In the studied reservoirs, 217 species of algae were identified, belonging to 5 divisions, 11 classes, 37 orders, 57 families, 97 genera. During the study, leading taxa (families and genera) were analyzed. The number of monotypic and less polymorphic taxa has a relatively large proportion compared to the total algal flora, which indicates a high biodiversity of algal flora. The highest indicators of the coe

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Esposito, R. M. M., S. A. Spaulding, D. M. McKnight, et al. "Inland diatoms from the McMurdo Dry Valleys and James Ross Island, Antarctica." Botany 86, no. 12 (2008): 1378–92. http://dx.doi.org/10.1139/b08-100.

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Diatom taxa present in the inland streams and lakes of the McMurdo Dry Valleys and James Ross Island, Antarctica, are presented in this paper. A total of nine taxa are illustrated, with descriptions of four new species ( Luticola austroatlantica sp. nov., Luticola dolia sp. nov., Luticola laeta sp. nov., Muelleria supra sp. nov.). In the perennially ice-covered lakes of the McMurdo Dry Valleys, diatoms are confined to benthic mats within the photic zone. In streams, diatoms are attached to benthic surfaces and within the microbial mat matrix. One species, L. austroatlantica, is found on James

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Gajjar, Juhi, Bhoomi Prajapati, and Hitesh Solanki. "A REVIEW ON MANGROVES AND ITS THREATS." VIDYA - A JOURNAL OF GUJARAT UNIVERSITY 1, no. 2 (2022): 21–23. http://dx.doi.org/10.47413/vidya.v1i2.24.

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Mangroves are a very important ecosystem of the earth it provides habitat for fauna and flora. It protects the coastal area from degradation. It helps for groundwater recharge, reduces soil erosion protects the coastal areas from tides. Mangroves act as purification of polluted water that comes from rivers or streams to the sea, it absorbs heavy metals from the polluted water and protect the seawater from being polluted. It is very important to plant from marine vegetation.

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Pereira Júnior, Antônio, Gundisalvo Piratoba Morales, Norma Ely Santos Beltrão, et al. "Preliminary analysis of the environmental conditions of Igarapé Paragominas, southeast of Pará." Caderno Pedagógico 20, no. 9 (2023): 3898–928. http://dx.doi.org/10.54033/cadpedv20n9-012.

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Urban streams can undergo changes in environmental conditions from disorderly urban growth and the deployment of road platforms on their banks, interconnecting or pervading them. The objective of this research was to analyze the environmental conditions (infrastructure, APP, water body, fauna and aquatic flora) of the Paragominas Igarapé, in the urban stretch, to identify if the process of urbanization and the construction of the highway PA -125, represent negative actions that may be associated with the quality of the water body. The method used was that of exploratory research, with obtainin

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Westwood, Christian G., Judy England, Tim Johns, and Rachel Stubbington. "A revised classification of temperate lowland groundwater‐fed headwater streams based on their flora." Water and Environment Journal 34, S1 (2020): 573–85. http://dx.doi.org/10.1111/wej.12561.

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Mangadze, Tinotenda, Taurai Bere, and Tongayi Mwedzi. "Epilithic diatom flora in contrasting land-use settings in tropical streams, Manyame Catchment, Zimbabwe." Hydrobiologia 753, no. 1 (2015): 163–73. http://dx.doi.org/10.1007/s10750-015-2203-7.

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KOLETIĆ, NIKOLA, ANTUN ALEGRO, ANJA RIMAC, NINA VUKOVIĆ, and VEDRAN ŠEGOTA. "Catalogue of Croatian Freshwater Rhodophytes." Phytotaxa 434, no. 2 (2020): 151–69. http://dx.doi.org/10.11646/phytotaxa.434.2.2.

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This paper summarises all available data on the flora of freshwater rhodophytes in Croatia, comprising 18 species from 13 genera—Audouinella, Bangia, Batrachospermum, Chroodactylon, Compsopogon, Hildenbrandia, Lemanea, Paralemanea, Pneophyllum, Polysiphonia, Porphyridium, Sirodotia and Thorea. Presented data are mostly a result of a comprehensive survey undertaken from 2009 to 2019 and including more than 600 freshwater locations—channels, streams, rivers, natural and artificial lakes. Additionally, all available published historical data, dating from 1890 onwards, as well as herbarium materia

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Veselá, Jana, and Jeffrey R. Johansen. "THE DIATOM FLORA OF EPHEMERAL HEADWATER STREAMS IN THE ELBSANDSTEINGEBIRGE REGION OF THE CZECH REPUBLIC." Diatom Research 24, no. 2 (2009): 443–77. http://dx.doi.org/10.1080/0269249x.2009.9705813.

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Pandey, K. D., A. K. Kashyap, and R. K. Gupta. "Nutrient status, algal and cyanobacterial flora of six fresh water streams of Schirmacher Oasis, Antarctica." Hydrobiologia 299, no. 1 (1995): 83–91. http://dx.doi.org/10.1007/bf00016888.

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Gilbert, Oliver, and Vince Giavarini. "The Lichen Vegetation of Lake Margins in Britain." Lichenologist 32, no. 4 (2000): 365–86. http://dx.doi.org/10.1006/lich.2000.0270.

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AbstractThe lichen flora of 40 lakes in England, Scotland and Wales is described and related to ecological variables. A zonation scheme consisting of four overlapping bands of lichen vegetation related to height above water level has been adopted. Due to the lack of scour, and the influence of wave action, they do not correspond exactly to the zones identified beside streams, so have been named ‘splash zones’. About a hundred species are involved, a number being rarely recorded aquatic specialists. The flora of all zones is strongly influenced by the alkalinity and pH of the water which have p

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Dos Passos Santos, Ana Caroline, ALEXANDRA AMARO DE LIMA, and Igor Felipe Oliveira Bezerra. "EVALUATION OF SURFACE WATER QUALITY OF THE AREA OF INFLUENCE OF THE LANDFILL OF THE CITY OF MANAUS/AM." International Journal for Innovation Education and Research 7, no. 11 (2019): 1185–95. http://dx.doi.org/10.31686/ijier.vol7.iss11.1986.

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This work aimed to evaluate the quality of surface water around the Manaus Solid Waste Landfill (ARSM), in which it is located near important waterways in a growing urban expansion area. During the collection period, the parameters pH, T, fecal coliforms, OD, DBO5, nitrate, phosphate, turbidity and total solids were monitored, where these are the main parameters for performing water quality index calculations. The results analyzed indicate contamination in the streams near the perimeter of the Landfill, where the possible origins for non-conformities can be problems in draining the leached and

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Philippov, Dmitriy, and Aleksandra Komarova. "Macrophyte diversity in rivers and streams of the Vologda Region and several other regions of Russia." Biodiversity Data Journal 9 (December 3, 2021): e76947. https://doi.org/10.3897/BDJ.9.e76947.

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The data paper contains the authors' materials on the diversity of macrophytes, macroscopic plants regardless of their taxonomic position, in rivers and streams of East European Russia and Western Siberia. These data, collected on 247 rivers and 32 streams in 13 administrative regions of the Russian Federation, were provided as an occurrence dataset presented in the form of GBIF-mediated data. The main portion of the data was obtained in water objects of the Vologda Region (5201 occurrences). In addition, occurrences from the Arkhangelsk Region (347 occurrences), Khanty-Mansi Autonomous Okrug

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Carrera, Martín, and Luis Baquero. "A historical checklist of the orchid flora (Orchidaceae) of Quito, Ecuador." Check List 21, no. (1) (2025): 222–41. https://doi.org/10.15560/21.1.222.

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We compile a species inventory of orchid species collected at Quito, Ecuador, between 1790 and 2018 and compare it with the orchid species observed in the field between 2018 and 2021. Historical herbarium records include 52 orchid species in Quito. During our field campaigns, we found 29 of these previously collected species in herbaria and an additional 11 species which we newly report from Quito, bringing the total number of orchid species in Quito to 63 species. However, we were unable to find 23 species during our field campaigns. Our study shows that even in one of the largest Ecuadorian

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Horrigan, Nelli, Satish Choy, Jonathan Marshall, and Friedrich Recknagel. "Response of stream macroinvertebrates to changes in salinity and the development of a salinity index." Marine and Freshwater Research 56, no. 6 (2005): 825. http://dx.doi.org/10.1071/mf04237.

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Many streams and wetlands have been affected by increasing salinity, leading to significant changes in flora and fauna. The study investigates relationships between macroinvertebrate taxa and conductivity levels (µS cm−1) in Queensland stream systems. The analysed dataset contained occurrence patterns of frequently found macroinvertebrate taxa from edge (2580 samples) and riffle (1367 samples) habitats collected in spring and autumn over 8 years. Sensitivity analysis with predictive artificial neural network models and the taxon-specific mean conductivity values were used to assign a salinity

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McBean, Edward, Munir Bhatti, Amanjot Singh, Logan Mattern, Lorna Murison, and Patrick Delaney. "Temperature Modeling, a Key to Assessing Impact on Rivers Due to Urbanization and Climate Change." Water 14, no. 13 (2022): 1994. http://dx.doi.org/10.3390/w14131994.

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With widespread ongoing urbanization and as climate change continues, the importance of protecting the water quality of streams and lakes is intensifying. However, while many water quality constituents in lakes and rivers are of overall interest, water temperature is a ‘key’ variable as temperature influences mixing within a waterbody, influences the acceptability of the habitat for flora and fauna, and serves as a guide to the general health of a stream. To enable the assessment, a physics-based, deterministic hydraulic and heat-balance modeling procedure using the combination of MIKE SHE, MI

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Beasley, Gary, and Pauline Kneale. "Reviewing the impact of metals and PAHs on macroinvertebrates in urban watercourses." Progress in Physical Geography: Earth and Environment 26, no. 2 (2002): 236–70. http://dx.doi.org/10.1191/0309133302pp334ra.

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Pollution-free stream water and sediments are crucial to support healthy stream flora and fauna, but urban surface runoff impairs water quality and leaves a legacy of pollution in the sediments. Pollution in sediments influences the development of macroinvertebrates, the lowest members of the food chain, leading to modification of the whole ecological structure. This review focuses on the sources and impacts of zinc, nickel, copper and oil derivative polycyclic aromatic hydrocarbon (PAH) contaminants on macroinvertebrates in urban streams. Land use, and the connectivity of the runoff and sedim

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Aguiar, Francisca C., M. Teresa Ferreira, António Albuquerque, and Ilídio Moreira. "Alien and endemic flora at reference and non-reference sites in Mediterranean-type streams in Portugal." Aquatic Conservation: Marine and Freshwater Ecosystems 17, no. 4 (2007): 335–47. http://dx.doi.org/10.1002/aqc.776.

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Isheva, Tsvetelina, and Plamen Ivanov. "Diatom diversity of springs and spring-fed streams in Vitosha Nature Park, Bulgaria." Annual of Sofia University "St. Kliment Ohridski", Faculty of Biology, Book 2 – Botany 99 (2015): 26–46. http://dx.doi.org/10.60066/gsu.biofac.bot.99.26-46.

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The paper presents the first contemporary study of the diatom diversity of the springs, spring-fed streams, peat bogs and mires forming the headwaters of three rivers (Bistrishka River, Boyanska River and Strouma River) in Vitosha Nature Park. Diatom samples were collected from all natural substrata at each sampling site – epilithon, epiphyton and epipelon. A total of 353 taxa (298 species, 53 varieties and 2 forms) belonging to 70 genera were found. The highest number of species was observed in the genera Navicula s.l., Achnanthes s.l., Pinnularia, Gomphonema and Eunotia. Fifty-nine taxa are

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Kolomiychuk, V., and A. Baransky. "Flora and vegetation of the Irpin forest." Bulletin of Taras Shevchenko National University of Kyiv. Series: Biology 83, no. 4 (2020): 49–55. http://dx.doi.org/10.17721/1728_2748.2020.83.49-55.

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It is reported about the diversity of phytobiota of the valuable natural complex "Irpin Forest" in the Kyiv region. The data on the history of research of this interesting from a botanical perspective territory of Kyiv Polissia are presented. The features of the vegetation of different complexes of this forest area, dominated by oak-pine, cereal and moss-lichen forests, are characterized. The most valuable forests here are oak ones, which are rich in rare herbaceous plant species. Besides, there fragmentary occur alder stands on lowland areas. The data on the flora of this territory, which inc

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Ramlah Zainudin, Elvy Quatrin Deka, and Julius Georgy. "Prioritising Conservation Area in Species Management Strategy for The Edible Bornean Giant River Frog <i>Limnonectes leporinus</i> Anderson 1923." Tropical Life Sciences Research 35, no. 3 (2024): 57–75. http://dx.doi.org/10.21315/tlsr2024.35.3.3.

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Limnonectes leporinus, the endemic giant river frog, is a riparian (stream dwelling) species that lives along streams with moderate to steep gradients. The most serious threats to the species are deforestation caused by severe clear cutting, which fragments its distribution, and overhunting for local consumption. Excessive landscape modification alters habitat, making it critical for an organism to maintain heterozygozity for the population to be fit to adapt to a changing environment. The goal of this research was to project suitable habitats and predict the potential for habitat connectivity

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Glushchenko, Anton, Sergei Genkal, Irina Kuznetsova, and Maxim Kulikovskiy. "Taxonomy and Distribution of the Genus Sellaphora Mereschowsky (Bacillariophyceae: Sellaphoraceae) in Aquatic Ecosystems of Mongolia." Plants 12, no. 20 (2023): 3611. http://dx.doi.org/10.3390/plants12203611.

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During our investigation, 28 species belonging to the genus Sellaphora Mereschowsky were found in different types of water bodies and streams in Mongolia. Of these, 14 species have already been described and/or shown earlier in the flora of Mongolia, and we found 14 species for the first time. One new taxonomic combination has been proposed: Sellaphora glomus (J.R. Carter and A.E. Bailey-Watts) Glushchenko and Kulikovskiy comb. nov. One species is proposed for description as new to science: Sellaphora dorofeyukae Glushchenko and Kulikovskiy sp. nov. All species were illustrated with original l

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Naw, Jocelyn, and Halder Chayan. "A Study on the Ecological Profile of Andaman & Nicobar Islands." ACCST RESEARCH JOURNAL XIX, no. 2, April 2021 (2021): 42–45. https://doi.org/10.5281/zenodo.6560030.

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The Andaman and Nicobar Islands (ANI) consist of very fragile island ecosystems and some of the most pristine in the world. These ecosystems are very diverse and support very unique flora and fauna. Both these island groups are a distinct eco region and are classified as one of the 12 bio-geographical zones of India. The landscape for large islands emerges from sea grass beds, coral reef or rocky outcrops, to beaches, littoral forest, Andaman slope forests, hilltops, into valleys and streams. In some areas in the Andaman’s along the west and the east coast, the landscape starts from

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Caisová, Lenka, Tomáš Bešta, Jiří Chlachula, Jiří Komárek, and Štěpán Husák. "Taxonomic investigations of cyanobacterial and algal flora from the Southern Altai, East Kazakhstan." Biodiversity: Research and Conservation 15, no. 1 (2009): 13–22. http://dx.doi.org/10.2478/v10119-009-0021-3.

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Taxonomic investigations of cyanobacterial and algal flora from the Southern Altai, East KazakhstanThe study presents results of pilot investigations (2005-2007) of micro-vegetation biodiversity in marginally explored mountain and forest-steppe areas of southern Altai, East Kazakhstan. On the basis of morphological phenotypes and ecological demands a total of 351 taxa of cyanobacteria and algae were identified in the principal biotopes (rivers and streams, backwaters, irrigation channels, lakes, high-tundra periglacial and barren land settings, snow fields, and pedogenic /soil cover/environmen

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Dr., Adam Paul Heaton. "Saving Australia's native flora and fauna with Aboriginal peoples' ecological knowledge and expertise." International Journal of Arts and Social Science 4, no. 4 (2023): 106–9. https://doi.org/10.5281/zenodo.7743213.

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This paper presents the authors’ response tothe Australian Senate Standing Committees on Environment and Communication’s inquiry into Australia’s faunal extinction crisis. The main focus of the response to the inquiry is on: the ongoing decline in the population and conservation status of Australia's nearly 500 threatened fauna species; the wider ecological impact of faunal extinction; the use of traditional knowledge and management for threatened species recovery and other outcomes, as well as opportunities to expand the use of traditional knowledge and management for co

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Akhmetova, Gulnaz, Kenzhegul Bolatkhan, Аliyam Dauletova, et al. "STUDY OF ALGAE FROM WASTEWATER TREATMENT PLANTS IN ALMATY AND THEIR ROLE IN BIOMONITORING." Eurasian Journal of Ecology 82, no. 1 (2025): 69–82. https://doi.org/10.26577/eje202582106.

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This study is aimed at examining the algal flora inhabiting the water bodies of the wastewater treatment plants in Almaty and their role in biomonitoring. Algal flora, including microalgae and cyanobacteria, play an important role in these ecosystems by performing self-purification functions, regulating biogeochemical cycles, and maintaining the balance between organic and inorganic substances. In this work, a comprehensive analysis of the composition and dynamics of the algal flora was carried out in various wastewater streams: in the sedimentation tank after mechanical treatment, in the wast

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Yoshida, CE, and VS Uieda. "The importance of a Biosphere Reserve of Atlantic Forest for the conservation of stream fauna." Brazilian Journal of Biology 74, no. 2 (2014): 382–94. http://dx.doi.org/10.1590/1519-6984.26512.

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Preservation of terrestrial fauna and flora has been the main reason for the settlement of most protected areas in the past 30 years, but although those areas may include water bodies, this does not necessarily mean that the biodiversity of freshwater environments are also protected. In the present study, the fauna inventory of eight streams (1st, 2nd, 4th and 5th orders) of three microbasins of Japi Mountain, a Biosphere Reserve of Atlantic Forest recognised by UNESCO since 1994, located in São Paulo state, southeast of Brazil, was conducted. The hypothesis of this study is that the conservat

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Maaroof, Bashar, Hashim Kareem, Jaffar Al-Zubaydi, et al. "CLASSIFYING FLUVIAL LANDFORMS USING GEOSPATIAL MODELING IN AL-ASHAALI WATERSHED, IRAQI SOUTHERN DESERT." Bulletin of the Iraq Natural History Museum 18, no. 3 (2025): 739–63. https://doi.org/10.26842/binhm.7.2025.18.3.0739.

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This study examines the Al-Ashaali drainage basin, a watershed in the southern Iraqi desert, which constitutes a hydro-geomorphological system within the lower valleys region according to Iraq's geomorphological classification. The study uses a digital elevation model to classify the landforms of the watershed. Landform maps from the Shuttle Radar Topography Mission (SRTM) were combined with topographic maps to understand the formation of landforms. Geospatial simulation models were developed to create a simplified geomorphological base map. The data was analyzed utilizing ArcGIS software, whi

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