Varietal data from 27 crop species from five continents were drawn together to determine overall trends in crop varietal diversity on farm. Measurements of richness, evenness, and divergence showed that considerable crop genetic diversity continues to be maintained on farm, in the form of traditional crop varieties. Major staples had higher richness and evenness than nonstaples. Variety richnes...

Ecosystem functioning, characterized by components such as productivity and stability, has been extensively linked with diversity in recent years, mainly in plant ecology. The aim of our study was thus to quantify general relationships between diversity, community structure and ecosystem functions in metazoan parasite communities. We used data on parasite communities from 15 species of marine f...

Through a sample survey of the research area Yunnan Agricultural University (YAU) Research Base in Malong Jiuxian County, we summarized types herbaceous vegetation communities terraces ecological isolation zone area, analyzed species’ importance value, Patrick index, Simpson Shannon-wiener and Pielou then explored different patterns (annual two-years artificial sowing natural secondary communit...

IT IS now over 30 years since Sheldon's classical monograph on haemochromatosis, but in spite of much intensive research, many aspects of this condition remain enigmatic. We have recently observed a case of haemochromatosis secondary to sideroblastic anaemia in which the appearance of the clinical signs of haemochromatosis were unusually rapid and paralleled by a dramatic and fatal deterioratio...

The blood-bathed organ technique was used to detect and continuously estimate the concentration of prostaglandins E 1 , E 2 , and F 2 in the circulation, to determine their stability in tihe blood and their disappearance in different vascular beds. Prostaglandins are released into the splenic venous blood duringspleen contractions. The pulmonary circulation provides an efficient protective mech...

Alpha diversity, also known as α-diversity, refers to the diversity of species within a specific area, community, or ecosystem. In this study, an analysis alpha in Banas River corridor Gujarat was conducted using quadrate sampling method. The flora demonstrates moderate levels evenness, and richness, indicating vibrant diverse Total 133 tree Shrub were observed from area. Shannon index, which m...

Recent research (Reardon and Firebaugh, 2002, Frankel and Volij, 2009, and Mora and RuizCastillo, 2009a) has shown that two entropy-based segregation indices possess an appealing mixture of basic and subsidiary but useful properties. It would appear that the only fundamental difference between the mutual information, or M index, and the Entropy, Information or H index, is that the second is a n...