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- 저자 : E. Goering (검색결과 5 건)
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Ganesan, E.K.,West, J.A.,Zuccarello, G.C.,de Goer, S. Loiseaux,Rout, J. The Korean Society of Phycology 2015 ALGAE Vol.30 No.1
A new macroscopic riverine red algal species, Lemanea manipurensis sp. nov. (Batrachospermales) is described from Manipur in northeast India. It has a sparsely branched, pseudoparenchymatous thallus with a single, central axial filament that lacks cortical filaments. Spermatangia occur generally in isolated, low and indistinct patches or form an almost continuous ring around the axis. Carposporophytes project into the hollow thallus cavity without an ostiole. The most striking morphological feature is the carposporophyte with very short gonimoblast filaments having cylindrical, narrow and sparsely branched sterile filaments, the terminal cell of each branch with a single, large, elongate carpospore. The widely distributed L. fluviatilis has spherical carpospores in long branched chains. Phylogenetic analysis of rbcL sequence data and comparison with other Batrachospermales clearly show that our specimens do not align with other species of Lemanea and Paralemanea investigated thus far. Five specific names attributed in previous literature (1973-2014) to Lemanea from Manipur, L. australis, L. catenata, L. fluviatilis, L. mamillosa, and L. torulosa are rejected until critical anatomical and molecular evidence is available for specimens from the Manipur river systems. Taxa referable to Paralemanea were not confirmed for India in this study. In view of the high demand for food and medical uses of L. manipurensis in northeast India, conservation measures are needed for its long term survival. The present paper constitutes the first combined morphological / molecular study on a freshwater red alga from India.
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Local affordable housing dynamics in two global cities: patterns and possible lessons?
Christine M. E. Whitehead,John Goering 서울시립대학교 도시과학연구원 2021 도시과학국제저널 Vol.25 No.1
This paper compares how New York and London, two major global cities, have developed policies and programmes to help ensure affordable housing for their citizens. It clarifies how, starting from relatively limited local regulatory powers in the nineteenth century, each city has used local resources as well as centrally authorized programmes, to create unique mixes of rental housing support, mostly based on instruments that enable sub-market rents. It goes on to discuss how the legacies arising from these interventions, both positive and negative, have influenced affordability in these cities’ current, more internationally open and generally more privatized, housing systems. The relative success of both cities has depended on the management of this pastiche of programmes and financing. Even so, while large proportions of lower income households in both cities (although larger in London) are assisted, there remains significant, and, in current economic circumstances, potentially growing numbers of households, facing unaffordable market rents. In the foreseeable future it can only be an amalgam of these local and nationally supported policies together with local initiatives that can help limit, although not resolve, the continuing problems of ensuring adequate affordable homes for lower income households in both New York and London.
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West, John A.,Kamiya, Mitsunobu,Ganesan, E.K.,Louiseaux-de Goer, Susan,Jose, L. The Korean Society of Phycology 2015 ALGAE Vol.30 No.3
Caloglossa species occurs in freshwater streams around Southest Asia. We report it from 2 different riverine sites in Kerala, India. Tetrasporangiate plants were observed in field collections from the Periyar River and Chalakkudy River. The Chalakkudy isolate did not reproduce in culture but the Periyar isolate developed abundant tetrasporangial sori in culture. Many spores were discharged and most were abortive, but some germinated normally, sporelings forming male gametophytes with numerous spermatangial sori and females with many procarps, viable carposporophytes and some nonfunctional (no carpospores) pseudocystocarps. Some carpospores germinated forming new tetrasporophytes. Molecular evidence (28S rDNA and rbcL) placed the Indian specimens close to C. beccarii and C. fluviatilis. Considering the freshwater habitat and morphology of vegetative thalli (blade shape, rhizoid arrangement, and number of rhizoid filament per cell), the Indian specimens should be assigned to C. beccarii.
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Thorea indica sp. nov. (Thoreales, Rhodophyta) from Uttar Pradesh, India
Necchi, Orlando Jr,Paiano, Monica O.,West, John A.,Ganesan, E. K.,Goer, Susan Loiseaux-de The Korean Society of Phycology 2015 ALGAE Vol.30 No.4
Thorea indica sp. nov. is described from the Sai River, Uttar Pradesh, India (26°39′00.7″ N, 80°47′38.3″ E). Its classification is based on molecular sequences of the plastid-encoded RuBisCO large-subunit gene, rbcL and the barcode region of the mitochondrial encoded cytochrome c oxidase subunit 1, cox1, and morphological data. The sequence analyses confirm a new species of Thorea. The cox1 barcode sequence had 90.4-90.8% identity with Thorea sp. from Australia and Thorea hispida from Hawaii and China. Based on rbcL sequences the Indian specimen was positioned in a major clade with high support (>95 bootstrap and 0.95 posterior probability) containing two other species: T. okadae from Japan and T. hispida from the continental USA, Hawaii, the UK, and China. The divergences among these sequences were T. indica vs. T. okadae (2.8%) and T. indica vs. T. hispida (2.9-3.4%). The comparison of morphological characters of Thorea from India was not conclusive due to the inadequate descriptions in previous reports: most specimens reported as T. hispida fit within the circumscription of T. indica as described here. The previous report of T. siamensis from the Sai River is incorrect and the specimens fit within our description of T. indica. Thorea indica and T. okadae can be distinguished by minor morphometric characters and sexuality (dioecious vs. monoecious).
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Dynamics of magnetic droplet soliton: freezing and thawing; coexisting and interacting
S. Chung,M. Ahlberg,S. Jiang,A. Frisk,M. Khademi,R. Khymyn,A. A. Awad,Q. Tuan Le,H. Mazraati,A. Houshang,M. Mohseni,M. Weigand,I. Bykova,F. Groß,E. Goering,G. Schutz,J. Grafe,O. Heinonen,J. Akerman 한국자기학회 2023 한국자기학회 학술연구발표회 논문개요집 Vol.33 No.1
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