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Long-Term Trends in Calcifying Plankton and pH in the North Sea

The purposes of this paper were to firstly assess trends in North Sea pH data and to determine whether there is any long-term relationship between the pH data and the abundance of calcifying plankton.

A Governance analysis of the Barotse Floodplain System, Zambia: Identifying obstacles and opportunities

The Barotse floodplain is an ecosystem characterized by a paradox of widespread poverty amidst high ecological and agricultural potential. The CGIAR Research Program on Aquatic Agricultural Systems (AAS) seeks to address this paradox on the assumption that the rural poor have the potential to transform their lives using the aquatic resources in their environment.

Piecework (Ganyu) as an indicator of household vulnerability in rural Zambia

Piecework (ganyu) is short-term, casual labor common in rural Zambia and neighboring countries. Reliance on piecework as a strategy to cope during food shortages in the rainy/cultivation season can restrict own-farm production, and thus, is regarded as an indicator of a household's vulnerability to food insecurity. Based on a household's level of participation in piecework, we explore this claim in rural Zambia using survey data collected during the rainy and dry seasons in 2009. We argue that seasonal assessments are essential if such dependence on piecework is used as a robust measure of a household's vulnerability to food insecurity.

Centrostephanus rodgersii

Centrostephanus rodgersii is ecologically important on southeastern Australian rocky reefs, where its grazing activity results in a mosaic of barrens and macroalgal habitats. The creation, persistence and demise of C. rodgersii barrens is a major ecological dynamic in this region.

Genomics in marine monitoring: New opportunities for assessing marine health status

This viewpoint paper explores the potential of genomics technology to provide accurate, rapid, and cost efficient observations of the marine environment.

Economic analysis of climate change adaptation strategies in selected coastal areas in Indonesia, Philippines and Vietnam

Climate change with its attendant geophysical hazards is well studied. A great deal of attention has gone into analyzing climate change impacts as well as searching out possible mitigating adaptive strategies. These matters are very real concerns, especially for coastal communities. Such communities are often the most vulnerable to climate change, since their citizens frequently live in abject poverty and have limited capacity to adapt to geophysical hazards.

At least one-third of marine species remain undescribed

At least one-third of the species that inhabit the world’s oceans may remain completely unknown to science. That’s despite the fact that more species have been described in the last decade than in any previous one, according to a report published online on November 15 in the Cell Press publication Current Biology that details the first comprehensive register of marine species of the world—a massive collaborative undertaking by hundreds of experts around the globe.

The magnitude of global marine species diversity

The magnitude of global marine species diversity
Appeltans, W. et al., Current Biology

The question of how many marine species exist is important because it provides a metric for how much we do and do not know about life in the oceans. We have compiled the first register of the marine species of the world and used this baseline to estimate how many more species, partitioned among all major eukaryotic groups, may be discovered.

Fish biodiversity research in the Mekong Basin

The Mekong River is one of the great rivers of the world and is characterized by high fish biodiversity. A number of organizations are working at observing and protecting aquatic biodiversity in this hotspot of global importance. Among them are international organizations such as the WWF, Wetlands International, the International Union for Conservation of Nature (IUCN), and the United Nation Environment Program (UNEP) but also regional institutions and national line agencies or nongovernmental organizations (NGOs). We review in this chapter the activities of five international, regional, and national organizations involved in Mekong fish biodiversity research. These organizations include WorldFish, Conservation International (CI), The Mekong River Commission (MRC), Ubon Ratchathani University, and the Japan National Institute for Environmental Studies (NIES). For each institution, we detail recent projects, modes of operation, issues faced, and priorities for improved observation and protection of biodiversity.

Climate Change Adaptation in the Lake Chilwa Basin

Malawi has experienced a number of adverse climatic events in recent years. Lake Chilwa, a major lake in the country and an important resource has dried up nine times in the 20th Century due to low rainfall in the basin. and it is predicted that events of this nature will become more common with increased climate variability. Some studies suggest that temperatures in the Lake Chilwa Basin will increase by up to five degrees Celsius by 2075.
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