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Cost-benefit analyses and the generation of market value have existed within the economic literature for centuries. However, in 1997, Robert Costanza, Distinguished University Professor of sustainability at Portland State University, Oregon, was the first to estimate the worldwide worth of ecosystem services—bringing new attention to the field of ecosystem valuation.
The seed bank is one of the key factors for the persistence and density fluctuations of plant populations, especially for annual plants. [4] Perennial plants have vegetative propagules to facilitate forming new plants, migration into new ground, or reestablishment after being top-killed, which are analogous to seed bank in their persistence ability under disturbance.
The Ecological Society of America (ESA) is a professional organization of ecological scientists.Based in the United States and founded in 1915, ESA publications include peer-reviewed journals, newsletters, fact sheets, and teaching resources.
Ecology deals with the energy and matter transactions of life and the Earth, and the human economy is by definition contained within this system. Ecological economists argue that neoclassical economics has ignored the environment, at best considering it to be a subset of the human economy.
Index Seminum meaning in Latin "seed index", is a catalog of seeds of wild or cultivated plants offered free of charge or in exchange of seeds of equivalent value by botanical gardens or arboretums. It is published annually or biennially by these institutions, traditionally in A5 format (148 × 210 mm).
The basic conceptualization of nature from the perspective of environmental economics is that manufactured capital can be used as a substitute for natural capital. [13] The definition of PES provided by environmental economics is the most popular: a voluntary transaction between a service buyer and service seller that takes place on the condition that either a specific ecosystem service is ...
Hawken is now the head of OneSun, Inc., an energy corporation concentrated on low-cost solar. [18] Lester Brown began his career as a tomato farmer in New Jersey, before earning a degree at Rutgers University and traveling to a rural India for a six-month study of the country's food and population crisis. Brown has primarily focused on finding ...
Forest restoration may include simply protecting remnant vegetation (fire prevention, cattle exclusion etc.) or more active interventions to accelerate natural regeneration, [8] as well as tree planting and/or sowing seeds (direct seeding) of species characteristic of the target ecosystem. Tree species planted (or encouraged to establish) are ...