Food web structure is paramount in regulating a variety of ecologic patterns and processes, although food web studies are limited by poor empirical descriptions of inherently complex systems. In this study, stable isotope ratios (δ15N and δ13C) were used to quantify trophic relationships and food chain length (measured as a continuous variable) in 14 Ontario and Quebec lakes. All lakes containe...

● Summary ● Introduction ● What are the major sources of dioxin and related compounds in the human diet? ● How do food animals become contaminated with dioxin and related compounds? ● How can dioxin contamination in food animals be decreased? ● Have there been any serious incidents of contamination of food products with dioxins above background levels recently? ● What activities involving dioxi...

In the recent decades, rapid population growth has led to the significant increase in food demand. Food supply chain has always been one of the most important and challenging management issues. Product with short age, especially foodstuffs, is the most problematic challenges for supply chain management. These challenges are mainly due to the diversity in the number of these goods, the special n...

today, the global business environment compels enterprises to consider rest of the world in their competitive strategy analysis where firms ignore external factors such as economic trends, competitive positions or technology advancement in other countries. while going truly global with supply chain management, a company develops product in the united states, produce in india and trade in europe...

The objective of this study was to document and understand the perceptions and opinions of small-scale poultry producers who market directly to consumers about microbial food safety risks in the poultry supply chain. Between January and November 2014, we conducted semi-structured, in-depth interviews with a convenience sample of 16 owner-operators of Maryland direct-market commercial poultry fa...

The sustainability of the food supply chain is a core issue in the research and policy debate and is one of the priorities in the EU Horizon 2020 Strategies (EU, 2014). As a result, increasing knowledge of the resource efficiency of the food supply chain can help to meet EU global challenges. The literature review on food chain performance reveals methodological differences when investigating m...