Productivity of ecosystems is the energy flow between trophic (feeding) levels of an ecosystem. Primary productivity is that made from sunlight by photosynthesis. The energy flow between trophic levels limits the food available. Ecosystem productivity changes can be caused by the seasons, disturbances, and biological diversity. — Ecosystems are complex dynamic systems made up of living organisms, their interactions, and their physical environment. These are the plants, animals that eat them and animals that prey on others, together with the soil and rainfall on which they all depend. Examples of ecosystems are ponds, desert, grasslands, forests, and…

Agave americana century plant.

Trophic levels or feeding levels of organisms and effects on organisms at other levels. — Trophic levels or feeding levels, also termed trophic relationships, have been used to describe species interactions within an ecosystem based on the source of nutrients. A trophic cascade is when the top predator in an ecosystem is removed, and it causes a chain reaction of events that alters the entire…

Refrigeration and Climate Change Mitigation. — SEPTEMBER 21, 2022… “the U.S. Senate, with strong bipartisan support, gave advice and consent to ratification of the Kigali Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer. The United States will soon join 137 other countries that have already ratified the Kigali Amendment. The Kigali Amendment…

Plants for hot dry conditions. — Selenicereus undatus dragon fruit cactus Dragon fruit cactus is a succulent that often grows on trees for physical support and occurs in its native state primarily in seasonally dry tropical areas. Flowers in summer and nocturnal flowers only bloom for one night. …

Practice empathy; Practice listening; Smile a lot; Walk; Manage your money; Avoid credit; Public speaking; Investigate the truth for yourself; Learn to dance; Avoid loneliness; plus 1 more. — Learn to practice empathy. One of the most important life skills to learn, indeed we must all learn, is empathy. Empathy is the ability to put oneself in someone else’s position, understanding and comprehending their emotions and feelings. Empathy is not sympathy or pity. …

Vigorous growing climbers for hot, dry Mediterranean-type conditions. — Campsis radicans trumpet creeper Red flowers in summer, with some varieties having yellow flowers. Deciduous. Full sun to part shade. Vigorous woody large plant. From Central and Eastern United States.

Yes, nitrogen and phosphate pollution. — Our much-loved dogs all come with regular deposits of dog faeces. These contain large amounts of nitrogen and phosphorous. In an urban watershed, much of the nutrients can find their way into drains and creeks and then into coastal seas. A human caused excess of nutrients can result in declining…

Loss and Damage fund — The result from COP27 was disappointing. Many National Governments will be left behind in terms of their credibility and influence on the international climate change stage because of the lack of action. Fortunately, country’s national or federal governments are not the only actors, legislation enacted by state and local governments…