Cercarial Dermatitis in Schleswig-Holstein Distribution of Cercariae in Public Swimming Lakes

Cercarial dermatitis is a neglected zoonotic disease with distribution all over the world’s temperate zones. It is caused by cercariae, a larval stage of parasitic blood flukes of the genus Trichobilharzia that is a parasite of waterfowl. When cercariae burry into human skin, they trigger an allergic reaction that leads to severely itching papules. Goal of this research was to get an overview over the distribution of cercariae in the bathing places of Schleswig-Holstein, the most northern state of Germany. Therefore, all public bathing places were visited and searched for fresh water snails that are the potential intermediate hosts of cercariae. Water snails of different families and genera were collected and examined for the presence of cercariae. Water samples were taken and examined for cercariae via a microscope. Additionally slime samples of the water snails were taken to test a new, time saving method of detection. In total 8 different kinds of water snails were collected and examined, of which the families of Lymnaeidae and Planorbidae proved to be the most common hosts of cercariae. In total, the results indicate a spatial distribution of cercariae shedding snails all over Schleswig-Holstein.

Temporal variation of wind speed and wind direction and interrelationship between air temperature and wind speed for different climatic seasons Northern State, Sudan

The research aims to study the temporal variability of wind speed and direction and their correlation with air temperature in different climatic seasons in Northern State, to produce broad data base on winds variability and interrelationship between air temperature and wind speed for different climatic seasons. Mean monthly and daily climatic data dating back to 2001(first season) and 2011(second season) were obtained from Karima meteorological station representing three different climatic seasons namely: April for summer, August for autumn and December for winter. Data were subjected to simple regression analysis, statistical analysis and computations were done by “Excel 2000”. The results showed that the wind speed varied widely during each month and day even within the same climatic season. In two seasons, the diurnal variation for different climatic seasons Apr., Aug. and Dec. was much lower than the monthly; due to the higher monthly variability of wind speed. The results also revealed that the prevailing direction of winds was generally northwards. The results of April in the first season are presented as an example; the mean daily wind speed (Va) ranged from 0.6 to 17m/s, with a mean of 7.2m/s, a STD of 4.3 and a CV of 60%. The daily mean data ranged from 5.4 (3hrs) to 8.2 (24hrs), with a mean of 7.2m/s, a STD of 1.1 and a CV of 15.3%.The prevailing wind direction decreases in the following order: N>NE=NNE>NNW. The monthly variability of the air temperature in the two seasons decreased in the following order: winter> summer> autumn. Significant, inversely proportional and cubic wind speed-temperature correlations in the two seasons for Aug. and Dec. were (P<0.05, r=0.362); (P<0.01, r= 0.488); (P<0.001, R=585) and (P<0.001, r= 0.679), respectively.

Conclusion

The Conclusion reflects on the key contributions of the book, revisiting some of the concepts and arguments presented in the Introduction. The section concludes by posing a number of questions on the implications of the findings presented for the academic field of policing and, more importantly, for social justice and democratic governance. I argue that migration policing is a privileged entry point to understanding the relationship between policing and society in a globalized, postcolonial world. The policing of immigration subverts—or rather unveils—the veneer of legality in the work of maintaining order. By foregrounding the non-rational, magic-like operation of state power, the book intended to unsettle rigid received epistemologies to theorizing policing in northern state bureaucracies. Ultimately, the morally and politically contested domain where front-line officers operate, the fragility, contingency, and provisionality of their authority, the fortuitous, capricious, and arbitrary nature of their decisions, the futility of the violence and harms they exert and the pains they endure, reveal also a frail, impotent, and inchoate state seeking to assert itself amid a fluid, murky, interconnected, and polarized world. The impetus to reassert the national by enforcing a bordered order reveals the exclusionary foundations of social democratic institutions and poses serious questions about the viability of these institutions and the modern nation-state to foster social justice. Equally, this juncture is an opportunity to think anew our political and economic institutions, take stock of global interdependence and its implications for livelihoods, and foster new forms of human conviviality.

Relationship of irrigated wheat yield with temperature in hot environments of Sudan

A negative effect of increasing temperature on wheat production in the coming decades has been projected for Sudan, which is a major wheat producer in Sub-Saharan Africa. Wheat is susceptible to high temperature, so trend analysis of historical yields together with observed temperature is critical for understanding the effect of climate change. The objective of this study was to determine the association between yield of irrigated wheat in hot drylands of Sudan and temperature during the growing season (November–February). Regional-scale yield data in three major wheat-producing areas (Northern State, Gezira State, and Kassala State) in 48 crop seasons (1970/71–2017/18) were used to determine the correlation of yield with maximum (TMAX) and minimum temperatures (TMIN) at representative meteorological stations (Dongola, Wad Medani, and New Halfa, respectively). Frequencies of days with maximum temperature above 35 °C (THD) and minimum temperature above 20 °C (THN) were also used for correlation analysis. In all three areas, regression analysis detected upward trends in the growing-season temperature. The increase in temperature was particularly evident at Dongola, although no such trend has been reported previously. The yields were negatively correlated with the growing-season temperature, particularly THN in Northern State, TMAX in Gezira State, and TMIN in Kassala State. These results confirm that the recent increase in the growing-season temperature might have reduced the yield to some extent in the breadbasket of Sudan.

Erebonyx catacumbae, n. gen. et sp.: a blind, troglobitic cricket from Brazil (Orthoptera, Grylloidea, Phalangopsidae)

Erebonyx catacumbae, new genus and species of a troglobitic phalangopsid cricket are described from Brazil. Few specimens were collected from a limestone cave located in the municipality of Campo Formoso, northern State of Bahia, in a semi-arid zone characterized by the Caatinga vegetation. A brief discussion on troglomorphisms is provided, as well as some ecological remarks and potential threats for this species.

Livestock Development and Drought in the Northern State of Nigeria

No abstract

The Nature, Economics and Public Health Aspects of Bovine Brucellosis in Nigeria

BOVINE Brucellosis is a disease of cattle which causes abortions, retained placenta, inferillity and cconomic losses in calf pro duction in the affected herds. This disease has been diagnosed in various parts of the country (Efurioso, 1974). Although some herds were found to be free, others were moderately infected, while others still were heavily infected. Unfortunately, some of the heavily infected cattle herds were at the breeding centres from where animal were usually sold out to beginners about to start their own foundation herds. Therefore a trail of brucellosis could be followed to many of these herds. From currently available information (Esuruoso & Hill, 1971; Esuruoso & Van Blake, 1972; Esuruoso 1974a & 1974b) it is estimated that direct losses due to bovine brucellosis alone in Oyo State is around ₦200,000 per 10,000 adult female cattle per annum. Losses in other parts of the country have been shown to be heavy in some places and low in others (Banerjee and Bhatty, 1970; Esurdoso, 1974b; Esaruoso, 1975; Nuru and Dennis, 1975) but can only be properly estimated when more work has been done to find out the status of most of the herds in relation to the incidence; only a very small percentage of herds in the northern state (Esurtoso, 1974b; Nuru and Dennis, 1975) have been investigated.