Search results for "population characteristics"

How do domestic dogs influence intraguild interactions among native canids?

2018

Harvest rates and bowhunter survey data in the Midwestern U.S. suggest both red fox (Vulpes vulpes) and gray fox (Urocyon cinereoargenteus) populations have declined, and a recent assessment of mesocarnivore occupancy across southern Illinois suggested gray fox range was contracting. Indices of coyote (Canis latrans) abundance increased concurrently and competition resulting in intraguild killing and spatial displacement to human-associated habitats have been proposed as agents of gray fox population decline. In addition, we previously demonstrated a strong elevation in both red fox and gray fox occupancy near human-developed areas if coyotes were present. One complication previously unacco…

Bacteria of the Genus Roseobacter Associated with the Toxic Dinoflagellate Prorocentrum lima

1998

The dinoflagellate Prorocentrum lima is known to produce diarrhetic shellfish poisons. However, it is yet unclear if the dinoflagellates themselves or the bacteria associated with them produce the toxins. Here we analyze the toxicity as well as the spectrum of bacteria in two cultures of P. lima, namely P. lima-SY and P. lima-ST, which initially derived from the same P. lima strain PL2V. Toxicity tests, applying the Artemia bioassay revealed in both cultures high levels of toxins. The bacteria, associated with the two cultures, were identified by PCR/nucleotide sequence analysis of the 16S rRNA gene. From cultures of P. lima-SY the dominant sequence was found to share a 93.7% similarity wit…

The effects of family life cycle, family ties and distance on migration: micro evidence from Finland in 1994

1999

Epidemiologische Perspektiven der Migrationsforschung am Beispiel von Krebserkrankungen

2008

Epidemiologic research on migration and health in Germany is increasingly focusing on chronic diseases. Migrant studies can help to identify causes of diseases. They also help to identify health inequalities and can thus contribute to improvements in health care. With regard to cancer, descriptive studies among Turkish migrants and ethnic German immigrants from the Former Soviet Union have shown overall low, but slowly increasing cancer rates as compared to autochthonous Germans. For individual cancer sites such as stomach cancer, migrants appear to experience higher risks than the comparison population. Epidemiologic approaches studying cancer care and services for migrants, as well as ana…

Karyotype dispersal of the common lizard Zootoca vivipara (Lichtenstein, 1823) in eastern and northeastern Fennoscandia

2015

The wide-ranging Eurasian common lizard Zootoca vivipara (Lichtenstein, 1823) is remarkably uniform morphologically but highly varied in its karyotype. Previous studies have revealed two distinctly different chromosomal forms of Z. v. vivipara in the Baltic basin. Moreover, a zone of secondary contact between these forms has been localized on the southern Baltic Sea seashore. Intraspecific karyotype diversity for Z. vivipara and new zones of secondary contact have recently been suggested for other parts of the Baltic Sea seashore. We studied the karyotype of Z. vivipara in central, western and northern parts of Finland. All the individuals karyotyped represented the Russian form of Z. v. vi…

Nostalgia and Proximity Violence: Daily Life and Regressive Mestizament

2020

This chapter explores the effects of the proximity violence suffered by migrant women on their perception by autochthonous women living in the Ballaro district of Palermo.

Nutrients attenuate the negative effect of ocean acidification on reef coral calcification in the Arabian Sea upwelling zone (Masirah Island, Oman)

2021

Tropical shallow-water reefs are the most diverse ecosystem in the ocean. Its persistence rests upon adequate calcification rates of the reef building biota, such as reef corals. Optimum calcification rates of reef corals occur in oligotrophic environments with high seawater saturation states of aragonite (Ωsw), which leads to increased vulnerability to anthropogenic ocean acidification and eutrophication. The calcification response of reef corals to this changing environment is largely unknown, however. Here, we present annually and sub-annually resolved records of calcification rates (n = 3) of the coral Porites from the nutrient rich and low Ωsw Arabian Sea upwe…

Neuroendocrine tumor of the common bile duct: case report

2017

Neuroendocrine tumors (NET) are a very heterogeneous group of neoplasms; in recent years we have seen an increase in their incidence (3.65 /100.000/year). They can be associated with hereditary endocrine syndromes (MEN, Von Hippel Lindau); they can occur at any age and the incidence is slightly higher in men than women. The aetiology of the neuroendocrine tumors is unclear; in most cases, inflammation of the bile ducts may be the underlying cause and for this reason, the initial patient's evaluation should be focused on the different aspects concerning the oncological one and the possible sequelae of the biliary obstructions that can evolve in biliary sepsis. All neuroendocrine tumors have …

Understanding cultural influences on back pain and back pain research

2017

Low back pain is highly prevalent and places a considerable burden on individuals, their families and communities. This back pain burden is unequally distributed around the world and within populations. Clinicians and researchers addressing back pain should be aware of the cultural, social and political context of back pain patients and how this context can influence pain perception, disability and health care use. Culture, which influences the beliefs and behaviour of individuals within a social group, could be considered an important contributor to the unequal distribution of back pain. However, there is paucity of high-quality research exploring the influence of culture on the experience…

Bond strength of cemented fiber posts to teeth with simulated internal root resorption

2020

Made available in DSpace on 2021-06-25T10:58:34Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-03-01 Background: Teeth with internal root resorption (IRR) have guarded prognosis, considering that IRR defect could influence on the post bond strength. The aim of this study was to evaluate the bond strength and the bond interface between different glass fiber-reinforced posts (FRP) after cementation in teeth with simulated internal root resorption (IRR). Material and Methods: Forty-five (45) human premolar roots with simulated IRR were embedded in acrylic resin blocks and cross-sectioned into two segments, enabling them to be re-approximated by screws. Intracanal medication was inserte…