scholarly journals Angiosperm diversity of the Theosophical Society campus, Chennai, Tamil Nadu, India

Check List ◽  
2015 ◽  
Vol 11 (2) ◽  
pp. 1579
Author(s):  
Sheeba Jabez Irwin ◽  
Sharmila Thomas ◽  
Pauline Rathinaraj ◽  
Narasimhan Duvuru

This paper deals with the list of flowering plants from the Theosophical Society campus (TS), Chennai. The Theosophical Society campus is the second largest green patch in the city of Chennai, next to Guindy National Park. A total of 449 taxa have been recorded comprising 161 trees, 84 shrubs, 179 herbs and 25 climbers that are distributed in 353 genera, represented in 85 families, 11 super orders and 35 orders as per the APG III classification. Superorder Fabids and Lamids account for about 49% of the taxa. Paleotropical elements (66%) dominate the TS campus followed by Neotropical elements (31%). The present study reveals that TS campus has a rich and diverse exotic flora. The garden department of this protected campus takes care of conserving the floral diversity. Hence, Theosophical Society campus can be considered as a major biodiversity heritage site and an indispensible lung space for the city of Chennai.

2012 ◽  
Vol 41 (1) ◽  
Author(s):  
Bogdan Debevec ◽  
Martin Knez ◽  
Andrej Kranjc ◽  
Marko Pahor ◽  
Mitja Prelovšek ◽  
...  

Heaven’s Cave is located in the centre of the Phong Nha-Ke Bang national park, about 500  km southern from the Vietnamese capital and 40 km from the city of Dong Hoi. Phong Nha-Ke Bang national park is protected also as a UNESCO world heritage site. Due to weak economic situation in this region as a result of lack of natural resources, karst tourism represents an important opportunity for raising the quality of live in the province. A proposal to adapt non-touristic Heaven’s Cave for tourism was presented to Karst Research Institute ZRC SAZU in 2006. Because the caves are sensitive ecosystems and all activities in them should be carefully implemented, our task was to make basic survey and map the cave, to perform a speleological and touristic research, to propose possible interventions for adapting the cave for tourism and to prepare a strategy for tourism development in this area. The latter should also show us if some interest is present among tourists for new show cave in this region. From this point of view this study does not represent systematic long-term approach for adapting a cave for tourism but rather a short study of a cave with potential to be show cave in remote area of Central Vietnam. Approach used in this study should be used in similar environments as a first step to estimate if weakly known cave is environmentally and economically suitable for development for touristic purposes.Keywords: Heaven’s Cave, Thien Duong Cave, Phong Nha-Ke Bang, Vietnam, show cave.


2010 ◽  
Vol 365 (1537) ◽  
pp. 99-109 ◽  
Author(s):  
Spencer C. H. Barrett

Flowering plants display spectacular floral diversity and a bewildering array of reproductive adaptations that promote mating, particularly outbreeding. A striking feature of this diversity is that related species often differ in pollination and mating systems, and intraspecific variation in sexual traits is not unusual, especially among herbaceous plants. This variation provides opportunities for evolutionary biologists to link micro-evolutionary processes to the macro-evolutionary patterns that are evident within lineages. Here, I provide some personal reflections on recent progress in our understanding of the ecology and evolution of plant reproductive diversity. I begin with a brief historical sketch of the major developments in this field and then focus on three of the most significant evolutionary transitions in the reproductive biology of flowering plants: the pathway from outcrossing to predominant self-fertilization, the origin of separate sexes (females and males) from hermaphroditism and the shift from animal pollination to wind pollination. For each evolutionary transition, I consider what we have discovered and some of the problems that still remain unsolved. I conclude by discussing how new approaches might influence future research in plant reproductive biology.


2021 ◽  
Vol 13 (14) ◽  
pp. 8006
Author(s):  
Till Schmäing ◽  
Norbert Grotjohann

The Wadden Sea ecosystem is unique in many respects from a biological perspective. This is one reason why it is protected by national parks in Germany and by its designation as a UNESCO World Heritage Site. In biology didactics, there are only a few studies that focus on the Wadden Sea. This work investigates students’ word associations with the two stimulus words “national park” and “UNESCO World Heritage Site”. The survey was conducted among students living directly at the Wadden Sea and among students from the inland. The analysis of the identified associations (n = 8345) was carried out within the framework of a quantitative content analysis to be able to present and discuss the results on a group level. A statistically significant difference was found between the two groups. Overall, results showed that the students made subject-related associations as well as a large number of associations to both stimulus words that could be judged as non-subject-related. In some cases, a connection with the region of residence could be found, but this was not generally the case. Even students’ immediate residential proximity to the Wadden Sea is no guarantee that they have knowledge of the two considered protection terms.


2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Rosana Silva Lana ◽  
Érika Monteiro Michalsky ◽  
Consuelo Latorre Fortes-Dias ◽  
João Carlos França-Silva ◽  
Fabiana de Oliveira Lara-Silva ◽  
...  

In the New World, the leishmaniases are primarily transmitted to humans through the bites ofLeishmania-infectedLutzomyia(Diptera: Psychodidae) phlebotomine sand flies. Any or both of two basic clinical forms of these diseases are endemic to several cities in Brazil—the American cutaneous leishmaniasis (ACL) and the American visceral leishmaniasis (AVL). The present study was conducted in the urban area of a small-sized Brazilian municipality (Jaboticatubas), in which three cases of AVL and nine of ACL have been reported in the last five years. Jaboticatubas is an important tourism hub, as it includes a major part of the Serra do Cipó National Park. Currently, no local data is available on the entomological fauna or circulatingLeishmania. During the one-year period of this study, we captured 3,104 phlebotomine sand flies belonging to sixteenLutzomyiaspecies. In addition to identifying incriminated or suspected vectors of ACL with DNA of the etiological agent of AVL and vice versa, we also detectedLeishmaniaDNA in unexpectedLutzomyiaspecies. The expressive presence of vectors and naturalLeishmaniainfection indicates favorable conditions for the spreading of leishmaniases in the vicinity of the Serra do Cipó National Park.


Koedoe ◽  
1970 ◽  
Vol 13 (1) ◽  
Author(s):  
B. L. Penzhorn

A check-list of the flowering plants in the Herbarium of the Mountain Zebra National Park


2017 ◽  
Vol 113 (9/10) ◽  
Author(s):  
Leif Petersen ◽  
Andrew M. Reid ◽  
Eugene J. Moll ◽  
Marc T. Hockings

Cape Town is a fast-growing cityscape in the Cape Floristic Region in South Africa with 24 formally protected conservation areas including the World Heritage Table Mountain National Park. These sites have been protected and managed as critical sites for local biodiversity, representing potentially one-third of all Cape Floristic Region flora species and 18% of South Africa’s plant diversity. Cape Town is also inhabited by a rapidly growing culturally and economically diverse citizenry with distinct and potentially conflicting perspectives on access to, and management of, local natural resources. In a qualitative study of 58 locally resident traditional healers of distinct cultural groups, we examined motivations underlying the generally illicit activity of harvesting of wild resources from Cape Town protected areas. Resource harvester motivations primarily link to local economic survival, health care and cultural links to particular resources and practices, ‘access for all’ outlooks, and wholesale profit-seeking perspectives. We describe these motivations, contrast them with the current formal, legal and institutional perspectives for biodiversity protection in the city, and propose managerial interventions that may improve sustainability of ongoing harvest activities.


2021 ◽  
Vol 5 (2) ◽  
pp. 71-79
Author(s):  
Oleg Rubel

Introduction. Kuyalnyk estuary has a remarkable medical and health potential of national importance, its unique properties are of international value, which predetermines recognition of respective areas as protected areas. In addition, proximity of Kuyalnyk estuary to the city of Odesa causes expansion of not only cooperation vectors with representatives of business groups in Odesa region, as  well as creating demand in service market at this area. However, presently, economiс-ecological potential of Kuyalnyk estuary area is not used properly, which significantly affects social and infrastructural level of this area, and decreases investment attraction of this resort. Aim and tasks. In this paper it is proposed to consider theoretical and methodological principles of developing ecologically oriented business activity at the stage of planning protected object: Natural National Park (NNP) “Kuyalnitskiy”; to analyze tools for cooperation with economic private sector representatives, which will ensure protected areas development as a multifunctional space. Results. This paper substantiates ways to develop regional program of targeted economiс-ecological support for entrepreneurial activity development in the areas of Ukrainian nature reserve fund; it is suggested implementing public-private policy that allows developing future Natural National Park “Kuyalnitskiy” as innovative area – “space” aimed at streamlining processes of nature management, creating new formats of business activity, improving ecological-economic situation in the region, creating conditions for sustainable development. Conclusions. Taking into account dual economic and regulatory status of Kuyalnyk estuary, it is necessary to plan such vectors of business activity that can simultaneously meet the needs of sanatoriums and have environmentally friendly format that will consider reasonable level of anthropogenic load at this area. The proximity to the city of Odesa will ensure development and market demand for various types of economic-ecological business activities, as well as appropriate level of “neighbourhood urban planning”.


YMER Digital ◽  
2021 ◽  
Vol 20 (12) ◽  
pp. 439-445
Author(s):  
V Thandapani ◽  
◽  
M Arulmurugan ◽  

The dimension of the slums is presumed as something that is deteriorating urban areas that is densely populated and contains dilapidated housing, often in multiple occupations, poverty, social disadvantage and other forms of physical and social deprivation. Sprawl is a universal occurrence knowledgeable by inexpensively highly developed fine mounting nations. Hurried sprawl appropriate to “pull factor” or the livelihood occasion fashioned in the city and “push factor” owed to the be deficient in of the equivalent in rustic regions and together with ecological dilapidation, has fascinated settlers not barely as of the rustic state but in addition commencing supplementary fractions of the state. Expansion of mechanization roughly in capital of Tamil Nadu, in deprivation condition in the rustic locale, too little drizzle in the rustic part, castism, hastily and enormous edifice creation doings and approximately the city and in sequence expertise commons, has specified surety for accomplished, inexperienced, semi-skilled employments are existing to the justified citizens. In the present study main aims are income and expenditure activities of the Porur slum areas in Chennai city


Author(s):  
A. S. Dini Das ◽  
S. Kumar ◽  
A. Babu ◽  
P. K. Thakur

<p><strong>Abstract.</strong> Flood is a major threat to one of the UNESCO world heritage site of India-The Kaziranga National Park. Every year during the monsoon several hundreds of animals which include globally threatened species like single-horned Indian Rhinoceros of Kaziranga lose their lives due to the flood. The Synthetic Aperture Radar (SAR) can be used to monitoring the flood than the optical remote sensors because of their capability of all-weather and time-independent operability. The microwave L band is most suitable for the flood studies because of its higher penetration capability even through the vegetation. In this study, the advantages of SAR polarimetry and Interferometry of multi-temporal L band dual-pol data of ALOS PALSAR 2 were used to characterize the flooded area and also to monitor the flood extent. The H/ A/ Alpha decomposition gives a better characterization of the flooded area. The separability analysis is done with a different combination of decomposition parameters and the parameters having high-class separability between water and non-water areas are selected. Polarimetric classification using Random forest classifier is done on these selected decomposition parameters to classify the study into water and non-water areas. The classified images of different months before, during and after the flood time is used to quantitatively estimate the flood extent and for time series analysis. The Interferometric SAR coherence images along with the backscatter images are used to generate the RGB composites which also gives times series information on the flood impact.</p>


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