scholarly journals Heterogeneity of the woody flora of swamp forests in southeastern and southern Brazil

Check List ◽  
2014 ◽  
Vol 10 (6) ◽  
pp. 1359 ◽  
Author(s):  
Bruno Coutinho Kurtz ◽  
Elisa Araujo Penna Caris ◽  
Fabio Rubio Scarano
Keyword(s):  
Native Species ◽  
Conservation Management ◽  
Southern Brazil ◽  
Hydromorphic Soils ◽  
Tolerant Species ◽  
The Future ◽  
Great Heterogeneity ◽  
Floristic Patterns ◽  
High Degree

Swamp forests are associated with hydromorphic soils and are naturally fragmented in their distribution. Several local phytosociological surveys on the woody flora of these forests have been conducted in southeastern and southern Brazil. We present here a comprehensive floristic list based on these surveys, including 77 families, 211 genera and 518 native species. The richest families were Myrtaceae (78 species), Fabaceae (47) and Lauraceae (38). The richest genera were Eugenia (24), Myrcia (24), Miconia (21) and Ocotea (20). The woody flora of these swamp forests has great heterogeneity, with most species occurring in one or few sites. Their flora is formed by a few flooding specialist or tolerant species, common in many sites, and many other species that come from the surrounding vegetation. Considering the high degree of deforestation in southeastern and southern Brazil, including swamp forests, the floristic patterns presented here can be useful for the future efforts of conservation, management and restoration of these forests.

The economic analysis of rationality in the tradition of Harvey Leibenstein

2020 ◽  
pp. 21-38
Author(s):  
Ivan V. Rozmainsky ◽  
Yulia I. Pashentseva
Keyword(s):  
Economic Analysis ◽  
Real Life ◽  
Informal Institutions ◽  
External Information ◽  
Urban Residents ◽  
The Future ◽  
Information Constraints ◽  
High Degree ◽  
Market Capitalism

The paper is devoted to the economic analysis of rationality in the tradition of Harvey Leibenstein: the authors perceive rationality as “calculatedness” when making decisions, while the degree of this “calculatedness” is interpreted as a variable. Thus, this approach does not correspond to the generally accepted neoclassical interpretation of rationality, according to which rationality is both full and constant. The authors believe that such a neoclassical approach makes too stringent requirements for the abilities of people. In real life, people do not behave like calculating machines. The paper discusses various factors limiting the degree of rationality of individuals. One group of factors is associated with external information constraints such as the complexity and extensiveness of information, as well as the uncertainty of the future. Another group of factors is related to informal institutions. In particular, the paper states that the system of planned socialism contributes to less rationality than the system of market capitalism. Thus, in the post-socialist countries, including contemporary Russia, one should not expect a high degree of rationality of the behavior of economic entities. The paper mentions, in particular, the factors of rationality caused by informal institutions, such as the propensity to calculate, the propensity to be independent when making decisions and the propensity to set goals. The authors also believe that people who live on their own are usually more rational than people who share a common household with someone else. This assumption is verified econometrically based on data on young urban residents collected by the authors. It turned out that the behavior of people included in this database, in general, corresponds to what the authors believed.

scholarly journals Future of Sustainable Management of Energy Companies in Terms of Attitudes and Preferences of the Younger Generation

Energies ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 3207
Author(s):  
Arnold Pabian ◽  
Katarzyna Bilińska-Reformat ◽  
Barbara Pabian
Keyword(s):  
Young People ◽  
Sustainable Management ◽  
Energy Sector ◽  
Social Activities ◽  
Social Attitude ◽  
Future Activity ◽  
The Future ◽  
Younger Generation ◽  
Energy Companies ◽  
High Degree

The future of the energy sector depends on the younger generation. The paper presents the results of the study, the aim of which was to determine to what extent younger generation is pro-ecological and pro-social, and whether they will include pro-ecological and pro-social activities in the management of energy companies. It is especially important to implement sustainable management in the energy sector. The study found that only 33.9% of young people are highly pro-ecological and 28.6% highly pro-social. As many as 83.0% of the younger generation show low and medium interest in environmental protection. Declarations of young people concerning high degree of inclusion of pro-ecological and pro-social activities in management are at the level of 49.9% and 58.1%. However, in many cases, these intentions do not coincide with the high pro-ecological and pro-social attitude of young people. This means that their future activity for sustainable management may be low. According to the survey, the younger generation to a large extent is not prepared to continue efforts for sustainable development in the future in the energy companies.

Nodulation and performance of exotic and native legumes in Australian soils

2003 ◽  
Vol 51 (5) ◽  
pp. 543 ◽  
Author(s):  
María A. Pérez-Fernández ◽  
Byron B. Lamont
Keyword(s):  
Native Species ◽  
Treated Soil ◽  
Retama Sphaerocarpa ◽  
Australian Species ◽  
And Performance ◽  
Natural Stands ◽  
High Degree ◽  
Western Australian ◽  
Cytisus Balansae ◽  
New Habitats

Six Spanish legumes, Cytisus balansae, C. multiflorus, C. scoparius, C. striatus, Genista hystrix and Retama sphaerocarpa, were able to form effective nodules when grown in six south-western Australian soils. Soils and nodules were collected from beneath natural stands of six native Australian legumes, Jacksonia floribunda, Gompholobium tomentosum, Bossiaea aquifolium, Daviesia horrida, Gastrolobium spinosum and Templetonia retusa. Four combinations of soils and bacterial treatments were used as the soil treatments: sterile soil (S), sterile inoculated soils (SI), non-treated soil (N) and non-treated inoculated soils (NI). Seedlings of the Australian species were inoculated with rhizobia cultured from nodules of the same species, while seedlings of the Spanish species were inoculated with cultures from each of the Australian species. All Australian rhizobia infected all the Spanish species, suggesting a high degree of 'promiscuity' among the bacteria and plant species. The results from comparing six Spanish and six Australian species according to their biomass and total nitrogen in the presence (NI) or absence (S) of rhizobia showed that all species benefitted from nodulation (1.02–12.94 times), with R.�sphaerocarpa and C. striatus benefiting more than the native species. Inoculation (SI and NI) was just as effective as, or more effective than the non-treated soil (i.e. non-sterile) in inducing nodules. Nodules formed on the Spanish legumes were just as efficient at fixing N2 as were those formed on the Australian legumes. Inoculation was less effective than non-treated soil at increasing biomass but just as effective as the soil at increasing nitrogen content. Promiscuity in the legume–bacteria symbiosis should increase the ability of legumes to spread into new habitats throughout the world.

Stabilization at Santinho-Ingleses dunefield, Southern Brazil: What will be the future of sediment input to Ingleses Beach?

2021 ◽  
Vol 8 (8) ◽  
pp. 176-190
Author(s):  
Maiara Werner Pinto ◽  
Antonio Henrique da Fontoura Klein ◽  
Adrián Acevedo ◽  
Melisa Menendez
Keyword(s):  
Southern Brazil ◽  
Sediment Input ◽  
The Future

scholarly journals Freshwater temperature in the state of Rio Grande do Sul, Southern Brazil, and its implication for fish culture

2008 ◽  
Vol 6 (2) ◽  
pp. 275-281 ◽  
Author(s):  
Luciano de Oliveira Garcia ◽  
Carlos Eduardo Copatti ◽  
Flávio Wachholz ◽  
Waterloo Pereira Filho ◽  
Bernardo Baldisserotto
Keyword(s):  
Water Temperature ◽  
Fish Species ◽  
Native Species ◽  
Amazon Basin ◽  
Rio Grande ◽  
The State ◽  
Tropical Species ◽  
Southern Brazil ◽  
Rio Grande Do Sul ◽  
Lower Growth

In this study we verified data of water temperatures collected by CORSAN-RS from 1996 to 2004 in several cities of the state of Rio Grande do Sul, southern Brazil, and analyzed the possibility of raising the most cultivated fish species in Brazil. The water temperature from 1996 to 2004 was 16 to 28ºC in summer, 17 to 23ºC in fall, 14 to 17ºC (down to 9ºC in the coldest months) in winter and 14 to 21ºC in spring. Native species of this state, such as silver catfish (Rhamdia quelen), traíra (Hoplias malabaricus), dorado (Salminus brasiliensis), pintado (Pimelodus maculatus), as well as carps (family Cyprinidae), are resistant to the low winter temperatures. These species have a lower growth rate in coldest months (winter/spring) but a good development in warmer months (summer/fall), reaching a satisfactory performance throughout the year. In the periods of more intense cold, mortality of some introduced species, such as surubim from Amazon Basin (Pseudoplatystoma sp.), pirapitinga (Piaractus brachypomus), pirarucu (Arapaimas gigas), pacu (Piaractus mesopotamicus), tambaqui (Colossoma macropomum) and Nile tilapia (Oreochromis niloticus) may occur. In addition, as most tropical species have a thermal range for growth and reproduction between 20 to 28ºC, some species may have poor development even in fall. Therefore, water temperature in this state should be considered in the choice of fish species to be cultivated.

scholarly journals Ophyiulus in Victoria: results of millipede surveys from south-eastern Australia

2015 ◽  
Vol 127 (2) ◽  
pp. 69
Author(s):  
Briony A. Norton ◽  
Linda J. Thomson ◽  
Michael A. Nash
Keyword(s):  
Species Identification ◽  
Preliminary Data ◽  
Native Species ◽  
South Eastern ◽  
Eastern Australia ◽  
The Future ◽  
South Eastern Australia

The composition and ecology of the millipede fauna of Victoria remain poorly understood. We collected millipedes as part of a series of ecological arthropod surveys across south-eastern Australia, focusing mainly on Victoria. These samples almost exclusively contained millipedes from the introduced order Julida. We pursued species identification of the julids when it became apparent there were species other than the well-recorded Ommatoiulus moreleti (Lucas, 1860) (Portuguese millipede) in the samples. The majority of specimens were O. moreleti, but we also detected at least one species of Cylindroiulus Verhoeff, 1894, as well as an Ophyiulus Berlese, 1884, species, specimens of which have been identified as Ophyiulus cf. targionii. These are the first Ophyiulus records for Victoria to our knowledge. We present preliminary data on the abundance through the year of Ophyiulus. This is the first study to examine this species in Victoria and little is currently known about its likely impact on agriculture or on native species. Monitoring and research of the species in the future is therefore warranted.

scholarly journals OVERVIEW OF RESEARCH OF MUSHROOMS IN SRI LANKA

2017 ◽  
Vol 40 (4) ◽  
pp. 399-403
Author(s):  
Samantha C. Karunarathna ◽  
Peter E. Mortimer ◽  
Jianchu Xu ◽  
Kevin D. Hyde
Keyword(s):  
Sri Lanka ◽  
Future Development ◽  
Native Species ◽  
Ornamental Plants ◽  
Current Status ◽  
Sri Lankan ◽  
Mycological Research ◽  
The Future ◽  
Available Information

According to recent estimates the mycota of Sri Lanka is highly diverse, yet it has been relatively little studied and remains poorly understood. Sri Lanka may contain up to 25,000 species of fungi, of which only a little more than 2000 are presently known, and this estimate does not take into account the large number of exotics introduced along with food, plantation, and ornamental plants. Mycological research in Sri Lanka has been limited to certain parts of the country, and the available information is widely dispersed, difficult to access, and plagued by synonymy. Commercially cultivable mushrooms were first introduced to Sri Lanka in 1985, and today both endemic and non-native species are cultivated. This paper addresses the current status of Sri Lankan mushroom research, and suggests measures which are needed to support the future development of Sri Lankan mycology.

scholarly journals Understanding the Interdependency between the Nifty 50 Future Index and the Advanced Future Stock Market through Econometrics

2019 ◽  
Vol 8 (4) ◽  
pp. 3660-3664
Keyword(s):  
Hong Kong ◽  
Stock Market ◽  
Granger Causality ◽  
Foreign Exchange ◽  
Financial Market ◽  
Stock Prices ◽  
Economic Condition ◽  
The Future ◽  
Bidirectional Movement ◽  
High Degree

In recent times the stock market is accepted as a tool to measure the economic condition of a nation. It is found that the Indian financial market as highly volatile due to the lower value of rupees in foreign exchange with the dollar. This motivated the researchers to measure the interdependencies of [Nifty 50 future (India), Nikkei 225(Japan), NASDAQ 100 Futures (USA), Dow Jones 30 (USA), SSEC (China), Hang Seng Future (Hong Kong), and FTSE 100 (London)]. The analysis covers monthly stock prices for a period of 10years from April 2008 to March 2018. The measurement of interdependencies is studied through granger causality and correlation after the confirmation of the non-normality of data and stationary of data. The result shows a high degree of correlation between NASDAQ and Dow Jones shows 98.76% followed by 96.89% between Nifty 50 future and NASDAQ. The co-movement result of Nifty 50 future through granger causality states Nifty 50 future can explain the future stock market of Nikkei (Japan) and SSEC (China) and the Hang Seng future (Hong Kong) has a bidirectional movement with Nifty 50 futures. The study is useful for the investors to identify the interdependencies of the indices and understand the movement in a significant manner.

scholarly journals Linguistic identity among new speakers of Basque

2015 ◽  
Vol 2015 (231) ◽  
pp. 85-105 ◽  
Author(s):  
Ane Ortega ◽  
Jacqueline Urla ◽  
Estibaliz Amorrortu ◽  
Jone Goirigolzarri ◽  
Belen Uranga
Keyword(s):  
Qualitative Study ◽  
Focus Groups ◽  
Language Policy ◽  
Language Use ◽  
Evidence Based ◽  
Linguistic Identity ◽  
The Future ◽  
New Speakers ◽  
High Degree ◽  
Family Transmission

Abstract The increase in Basque speakers in the last 30 years has been due in large part to ‘new speakers’ or euskaldunberri, a term that will be used here to refer to those who have learned the language by means other than family transmission. While very significant in numbers, to date this group has not been the object of much study. Little is known about their attitudes and motivations, how they perceive themselves as Basque speakers, or their language use and transmission patterns. Acquiring answers to these questions is of strategic importance for developing an effective evidence-based language policy for the future. This article presents the results of a qualitative study of new speakers. Drawing on data from focus groups and interviews, the central goal of the article is to examine how new speakers of differing profiles perceive and locate themselves with respect to the popularly used labels for “new” and “native” Basque speakers and the ideologies of authenticity and legitimacy that seem to shape these perceptions. The analysis shows that learning the language alone, even to a high degree of competence, does not guarantee a view of themselves as true and genuine speakers of Basque.

Review of V/STOL Aircraft with Tilt-Propellers and Tilt-Rotors

1968 ◽  
Vol 72 (693) ◽  
pp. 817-830
Author(s):  
Henry V. Borst
Keyword(s):  
Second Generation ◽  
Cost Effective ◽  
Structural Failure ◽  
Secondary Importance ◽  
Flight Tests ◽  
Tilt Rotor ◽  
The Future ◽  
High Degree ◽  
Aircraft Configurations ◽  
Vtol Aircraft

Summary Tests of the first experimental VTOL aircraft using tiltable wings and propellers indicated that practical operational aircraft are possible and can operate with a high degree of effectiveness. The flight tests accomplished up to the present time with the second generation tilt-propeller and tilt-rotor aircraft are discussed and analysed. The XC-142 and the CL-84 tilt-wing aircraft have been performing well throughout their projected flight envelope and good pilot ratings have been obtained with each in hover, transition, and the normal cruise mode. The X-19 tandem wing tilt propeller was flown only up to 100 knots and was lost due to a structural failure in one nacelle. Although the operation of the aircraft had been satisfactory up to this point, this programme was terminated due to shortage of funds. A study of the various VTOL aircraft configurations operating at low radius of action indicates that the tilt wing/ tilt propeller type are the most cost-effective as long as speed is an important parameter in the operating mission. There are missions where speed is of secondary importance, and therefore, the helicopter will continue to be one of the most effective VTOL for these missions. Since the tilt-wing /tilt-rotor aircraft tend to be only slightly higher in cost than the helicopter and with development the complexity and maintainability will be reduced to acceptable levels, it is anticipated that further work will be done in the development of these vehicles, and successful and useful machines will be built in the future.

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