scholarly journals Research on the Coupling Coordinative Degree of Tourism Development and Poverty Alleviation Effects in China Based on the Model of DPSIR--an Example of Guizhou

2020 ◽  
Vol 14 ◽  
Keyword(s):  
Poverty Alleviation ◽  
Developmental Stages ◽  
Comprehensive Evaluation ◽  
Coupled Model ◽  
Coordination Mechanism ◽  
Guizhou Province ◽  
Coordinated Development ◽  
State Response ◽  
Rate Of Increase ◽  
Degree Of Coupling

Based on the framework of driving forcepressure-state-response, a DPSIR framework for thecoupling and coordination mechanism between tourismdevelopment and poverty alleviation effects wasconstructed by comprehensively considering the povertyalleviation process and poverty vulnerabilitycharacteristics of Guizhou Province. On this basis, byusing the data from 2006-2017, the paper made anempirical analysis on the development relation of tourismdevelopment and ecological environment coupling inGuizhou Province by using the coupled model. The resultsshowed that the degree of coupling between tourismdevelopment level and poverty alleviation effects showedmultiple different stages as human production activitiesprogress. The comprehensive evaluation index of tourismdevelopment and poverty alleviation effects in GuizhouProvince showed an upward trend from 2012 to 2019, andthe rate of increase was fast. The degree of coupling wascontinuously rising rapidly, experienced two stages:Firstly, the period from the severe imbalance period to theimminent imbalance period from 2012 to 2013. Secondly,the imbalance period to the primary coordination periodfrom 2014 to 2016. Lastly, the primary coordinationperiod to the good coordination period from 2017 to 2019.A transition from a serious imbalance to a wellcoordinated phase was achieved. According to thedifferent developmental stages of the couplingcoordination mechanism, we put forward some measuresfor the coordinated development between tourismdevelopment and poverty alleviation effects in GuizhouProvince.

scholarly journals Research on the Coordinated Development of Beijing’s Culture Industry and Tourism Industry Based on the Coupling Analysis Method

2021 ◽  
Vol 235 ◽  
pp. 02030
Author(s):  
Gang Fang ◽  
Tian-yi Li
Keyword(s):  
High Speed ◽  
Comprehensive Evaluation ◽  
Culture Industry ◽  
Tourism Industry ◽  
Evaluation Index System ◽  
Coordinated Development ◽  
High Quality ◽  
Integration Effect ◽  
Core Issue ◽  
Degree Of Coupling

At the stage where China’s economic growth has shifted from high speed to high quality, how to build a sustainable development system with complementary high-quality resources through the integration of culture and tourism industries is the core issue. Since the 26 proposals for the integration of Beijing’s culture and tourism industries were put forward, Beijing is gradually building a sample of integrated culture and tourism development. In this paper, the theory of physics coupling is applied to the research on industrial integration, and a comprehensive evaluation index system is formulated. At the same time, the relative development model, coupling degree model, and coupling coordination degree model were used to empirically analyze the integrated development of the culture and tourism industries in Beijing from 2005 to 2017. The research results show that the degree of coupling and coordination of Beijing’s culture and tourism industry experienced three phases of mild imbalance, primary coordination, moderate coordination during the statistical period, and the integration effect gradually improved. Based on this, this article puts forward policy suggestions that are conducive to the further coordinated development of Beijing’s culture industry and tourism industry.

scholarly journals Promoting sustainable development of poverty-alleviation policies based on high-quality cultural tourism by digital economy — A case study of Chishui City in Guizhou Province

2021 ◽  
Vol 251 ◽  
pp. 02015
Author(s):  
Fawen Yang ◽  
Cheng Yang ◽  
Qian Xie
Keyword(s):  
Poverty Alleviation ◽  
Development Trend ◽  
Cultural Tourism ◽  
Digital Economy ◽  
Guizhou Province ◽  
Moore’S Law ◽  
Moore's Law ◽  
Study Case ◽  
The Development Trend

Digital economy follows three laws — the Metcalfe’s law. the Moore’s law. and the Davidow effect, which are practically in line with China’s poverty-alleviation initiative by developing cultural tourism. The Moore’s law, however, is paradoxical in given contexts, and thus, we proposed the “reverse-Moore’s law” to analyze the current cultural tourism-based poverty-alleviation policies. The features of digital economy can be employed to support the cultural tourism-based poverty-alleviation work: the development trend of digital economy also coincides with China’s cultural tourism-based poverty alleviation initiatives. With the poverty-alleviation work at Chishui City in Guizhou Province as the study case, this paper made an analysis from the perspective of digital economy to confirm the practical and surreal significance of applying digital economy to China’s poverty alleviation endeavors.

scholarly journals How Is Fitness of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) Affected When Different Developmental Stages Are Exposed to Chlorfenapyr?

Insects ◽  
2020 ◽  
Vol 11 (8) ◽  
pp. 542
Author(s):  
Anna Skourti ◽  
Nickolas G. Kavallieratos ◽  
Nikos E. Papanikolaou
Keyword(s):  
Life Table ◽  
Tribolium Castaneum ◽  
Developmental Stages ◽  
Survival Curve ◽  
Control Treatment ◽  
Intrinsic Rate Of Increase ◽  
Net Reproductive Rate ◽  
Rate Of Increase ◽  
The Mean ◽  
Coleoptera Tenebrionidae

Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) is an important pest of stored products. Insecticidal treatment is a common practice for the control of this notorious insect pest. Most studies are focused on the immediate and/or delayed mortality effects, while there are no data on the effects of insecticides on the population fitness. This study deals with the effect of chlorfenapyr on T. castaneum, investigating the cost of exposure of different developmental stages on population performance, by using life table statistics and a survival analysis method. For this purpose, eggs, larvae, and parental adult females of T. castaneum were exposed to chlorfenapyr and birth or death rates were calculated daily. The exposure of eggs and larvae to chlorfenapyr was detrimental for T. castaneum and they did not complete development. When parental females were exposed to chlorfenapyr, the progeny survival curve, biological features, as well as the life table parameters did not differ significantly compared to the control treatment. Thus, egg hatching, larval and pupal developmental periods, female and male longevities for the control treatment, and the progeny of the females that were exposed to chlorfenapyr were 4.66 and 4.76 days, 25.85 and 25.71 days, 5.00 and 5.26 days, 87.33 and 104.22 days, and 76.87 and 91.87 days, respectively. In addition, the mean values of the net reproductive rate, the intrinsic rate of increase, the mean generation time and the doubling time for the control treatment and the progeny of the parental females which were exposed to chlorfenapyr were 14.3 and 9.3 females/female, 0.038 and 0.028 females/female/day, 1.039 and 1.029, 70.0 and 76.9 days, and 18.5 and 24.9 days, respectively. We expect these results to have bearing on the management of T. castaneum, since the repeatedly insecticidal applications could be reduced in storage facilities.

scholarly journals Comparison of the observed dependence of large-scale Birkeland currents on solar wind parameters with that obtained from global simulations

2011 ◽  
Vol 29 (10) ◽  
pp. 1809-1826 ◽  
Author(s):  
H. Korth ◽  
L. Rastätter ◽  
B. J. Anderson ◽  
A. J. Ridley
Keyword(s):  
Magnetic Field ◽  
Solar Wind ◽  
Large Scale ◽  
Coupled Model ◽  
Total Current ◽  
Modeling Framework ◽  
Rate Of Increase ◽  
Solar Wind Parameters ◽  
The University ◽  
Birkeland Currents

Abstract. Spatial distributions of the large-scale Birkeland currents derived from magnetic field data acquired by the constellation of Iridium Communications satellites have been compared with global-magnetosphere magneto-hydrodynamic (MHD) simulations. The Iridium data, spanning the interval from February 1999 to December 2007, were first sorted into 45°-wide bins of the interplanetary magnetic field (IMF) clock angle, and the dependencies of the Birkeland currents on solar wind electric field magnitude, Eyz, ram pressure, psw, and Alfvén Mach number, MA, were then examined within each bin. The simulations have been conducted at the publicly-accessible Community Coordinated Modeling Center using the University of Michigan Space Weather modeling Framework, which features a global magnetosphere model coupled to the Rice Convection Model. In excess of 120 simulations with steady-state conditions were executed to yield the dependencies of the Birkeland currents on the solar wind and IMF parameters of the coupled model. Averaged over all IMF orientations, the simulation reproduces the Iridium statistical Birkeland current distributions with a two-dimensional correlation coefficient of about 0.8, and the total current agrees with the climatology averages to within 10%. The total current for individual events regularly exceeds those computed from statistical distributions by factors of ≥2, resulting in larger disparities between observations and simulations. The simulation results also qualitatively reflect the observed increases in total current with increasing Eyz and psw, but the model underestimates the rate of increase by up to 50%. The equatorward expansion and shift of the large-scale currents toward noon observed for increasing Eyz are also evident in the simulation current patterns. Consistent with the observations, the simulation does not show a significant dependence of the total current on MA.

Reproductive Biology and Development of the Water Rat, Hydromys chrysogaster, in Captivity

1982 ◽  
Vol 9 (1) ◽  
pp. 39 ◽  
Author(s):  
PD Olsen
Keyword(s):  
Breeding Season ◽  
Developmental Stages ◽  
Post Partum ◽  
Growth Curves ◽  
Gestation Length ◽  
Body Measurements ◽  
Sperm Production ◽  
Crown Rump Length ◽  
Rate Of Increase ◽  
Hydromys Chrysogaster

In a captive colony of H. chrysogaster most litters were born between September and March, although some were born in every month except June. Most females had regular oestrous cycles in the breeding season but there were isolated instances of oestrus in every month. In mature males, testes were scrota1 and there was full sperm production all year. There was some regression in weight of male accessory reproductive glands in the autumn and winter. Oestrus lasted 10 days (range 7-17), and its stages: pro-oestrus 1 day, oestrus 2 days, metoestrus 2 days, anoestrus 5 days. Some instances of delayed implantation were suspected. Gestation length was 34 days (33-41). Parturition was followed the next day by a postpartum oestrus, lasting 1 day. Lactation anoestrus was at least 3 weeks. Litter size was 3.29 � 1.26 (1-7) and the number of litters per breeding season was 2.6 � 0.97 (1-5). In the latter half of pregnancy there was a linear relationship between the crown-rump length of foetuses and gestation length. Young were born naked, blind and with the pinnae folded forward with edges attached to the head. The upper incisors emerged at 4 days, the lower incisors at 6 days, the auditory meatus opened at about 10 days, the eyes opened at about 14 days, some solids were eaten and young were more independent at about 3 weeks of age, and they were weaned at about 29 days. Phases in the rate of increase in weight were associated with each of these developmental stages. Females were first capable of breeding at 124 days (433 g); most matured about 240 days in the season following that of their birth. The testes descended in males between 90 and 120 days (475 g) but full sperm production did not occur until about 130-140 days. Females could breed for three seasons (until about 3.5 y old). Placental scars were visible for up to 6 months, but had sometimes disappeared at 4 months post partum. Growth curves of tail and weight were sigmoid, and those of other body measurements were exponential, as in the Rattus group of Australian rodents, and differing from the pseudomyine rodents. Body measurements showed a sigmoid relationship to the linear equivalence of body weight. Developmental events occurred earlier, in relation to growth, in Hydromys and Rattus lutreolus than in Pseudomys novaehollandiae.

scholarly journals Study on Evaluation of Timber Security in China Based on the PSR Conceptual Model

Forests ◽  
2020 ◽  
Vol 11 (5) ◽  
pp. 517
Author(s):  
Qiujuan Li ◽  
Shaozhi Chen ◽  
Rong Zhao
Keyword(s):  
Conceptual Model ◽  
Comprehensive Evaluation ◽  
Entropy Method ◽  
The State ◽  
High Tech ◽  
Key Factors ◽  
Factors Affecting ◽  
State Response ◽  
State Evaluation ◽  
Changing Trend

In case of a shortage of China’s domestic timber, the research of China’s timber security has become increasingly more important. Using the pressure-state–response (PSR) conceptual model and the entropy method, the timber security of China during 1997–2017 was evaluated and analyzed to understand and master the situation of timber security in this paper. The results showed that: (1) The pressure of timber security in China during 1997–2017 was increasing in waves, with the condition of timber imports as the main factor; (2) the state of timber security in China presented a downward-then-upward tendency during 1997–2017, the main influencing factors of which were the domestic timber supply and forest resources condition; (3) responses to ensure the timber security of China almost indicated a steep rising trend, because both the timber industry technical progress index and the waste paper recovery rate improved the safety of timber in China; and (4) the changing trend of the comprehensive evaluation of timber security in China approximately agrees with that of the state evaluation, which showed that state indicators were key factors affecting the timber security of China. The pressures influencing the timber security of China are rising, while the state of timber security and the responses of the high-tech industry have been improving at a higher range than the pressures, which has led to an improvement of China’s timber security.

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