Relationship between synoptic circulations and the spatial distributions of rainfall in Zimbabwe

This study examines how the atmospheric circulation patterns in Africa south of the equator govern the spatial distribution of precipitation in Zimbabwe. The moisture circulation patterns are designated by an ample set of eight classified circulation types (CTs). Here it is shown that all wet CTs over Zimbabwe features enhanced cyclonic/convective activity in the southwest Indian Ocean. Therefore, enhanced moisture availability in the southwest Indian Ocean is necessary for rainfall formation in parts of Zimbabwe. The wettest CT in Zimbabwe is characterized by a ridging South Atlantic Ocean high-pressure, south of South Africa, driving an abundance of southeast moisture fluxes, from the southwest Indian Ocean into Zimbabwe. Due to the proximity of Zimbabwe to the Agulhas and Mozambique warm current, the activity of the ridging South Atlantic Ocean anticyclone is a dominant synoptic feature that favors above-average rainfall in Zimbabwe. Also, coupled with a weaker state of the Mascarene high, it is shown that a ridging South Atlantic Ocean high-pressure, south of South Africa, can be favorable for the southwest movement of tropical cyclones into the eastern coastal landmasses resulting in above-average rainfall in Zimbabwe. The driest CT is characterized by the northward track of the Southern Hemisphere mid-latitude cyclones leading to enhanced westerly fluxes in the southwest Indian Ocean, limiting moist southeast winds into Zimbabwe

Natural or anthropogenic variability? A long-term pattern of the zooplankton communities in an ever-changing transitional ecosystem

The Venice Lagoon is an important site belonging to the Italian Long-Term Ecological Research Network (LTER). Alongside with the increasing trend of water temperature and the relevant morphological changes, in recent years, the resident zooplankton populations have also continued to cope with the colonization by alien species, particularly the strong competitor Mnemiopsis leidyi. In this work, we compared the dynamics of the lagoon zooplankton over a period of 20 years. The physical and biological signals are analyzed and compared to evaluate the hypothesis that a slow shift in the environmental balance of the site, such as temperature increase, sea level rise (hereafter called “marinization”), and competition between species, is contributing to trigger a drift in the internal equilibrium of the resident core zooplankton. Though the copepod community does not seem to have changed its state, some important modifications of structure and assembly mechanisms have already been observed. The extension of the marine influence within the lagoon has compressed the spatial gradients of the habitat and created a greater segregation of the niches available to some typically estuarine taxa and broadened and strengthened the interactions between marine species

Culture, People and Technology: The Driving Forces for Tourism Cities Proceedings of 8th ITSA Biennial Conference 2020

This is the proceedings of the 8th Biennial Conference of the International Tourism Studies Association, held in Jakarta and Singapore, 2nd December 202

Proceedings of 8th ITSA Biennial Conference 2020

Over the past few decades, hotel guests’ service expectations grew from services such as check-in and check-out (Cobanoglu, Corbaci, Moreo & Ekinci, 2003) to expecting hotels to, amongst others, provide services relating to tourist attractions (Adler & Gordon, 2013; Yeh, Leong, Blecher & Hu, 2005). Despite these developments, South Africa (SA) is amongst the countries confronted by the minimal utilisation of tourist attractions (National Department of Tourism, 2012) and the tourists’ lack of awareness of tourist attractions within major destinations, such as Cape Town (City of Cape Town, 2013) and Durban (eThekwini Municipality, 2014). By providing tourists with services relating to tourist attractions, hotels are likely to contribute towards addressing the minimal utilisation and lack of awareness of tourist attractions. Guest orientation (Lee, 2014), self-efficacy (Jaiswal & Dhar, 2015), motivation (Hon & Leung, 2011) and effort (Marić, Marinković, Marić & Dimitrovski, 2016) are constructs that impact on the service performance of hotel staff. However, studies have not been conducted to determine the impact of these constructs on the performance of hotel staff relating to tourist attractions. This paper forms part of a PhD study in progress which explores the constructs (Guest orientation, Self-efficacy, Motivation and Effort) that impact on hotel staff’s performance of services relating to tourist attractions. The PhD adopted a qual-QUANT research method to, in phase 1, qualitatively identify emerging themes from each construct, which will be quantitatively investigated in phase 2. This paper stems from phase 1 and aims to identify via qualitative research the key themes that emerge in each of the four constructs that are associated with hotel staff’s performance of services relating to tourist attractions. Semi-structured interviews were conducted with four certified hotel concierges belonging to Les Clefs d’ Or in SA. Thematic coding was used to identify the themes emerging from the qualitative data. Eight themes emerged from Guest orientation, five from Self-efficacy, seven from Motivation and ten from Effort