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The Earth’s trees absorb more than 7 billion metric tons of carbon dioxide — about a fifth of what the world lets out into its atmosphere — and release it back as oxygen or bind it into ...
Kelp forests are some of the most productive ecosystems in the world - they are home to a great diversity of species. Many groups, like those at the Seattle Aquarium, are studying the health, habitat, and population trends in order to understand why certain kelp (like bull kelp) thrives in some areas and not others.
Smaller areas of anchored kelp are called kelp beds. They are recognized as one of the most productive and dynamic ecosystems on Earth. [ 1 ] [ 2 ] Although algal kelp forest combined with coral reefs only cover 0.1% of Earth's total surface, they account for 0.9% of global primary productivity . [ 3 ]
Insects with population trends documented by the International Union for Conservation of Nature, for orders Collembola, Hymenoptera, Lepidoptera, Odonata, and Orthoptera. A 2020 meta-analysis found that globally terrestrial insects appear to be declining in abundance at a rate of about 9% per decade, while the abundance of freshwater insects appears to be increasing by 11% per decade.
The 90-foot-tall willow oak, which towers over the street on the south edge of Nash Square in Raleigh, was cut down on Thursday, Oct. 10, 2019, due to old age and disease.
Frequently considered an ecosystem engineer, kelp provides a physical substrate and habitat for kelp forest communities. [50] In algae (Kingdom: Protista), the body of an individual organism is known as a thallus rather than as a plant (Kingdom: Plantae). The morphological structure of a kelp thallus is defined by three basic structural units: [49]
Candy canes are a peppermint treat long associated with Christmas. Learn their history, including why they were first made with red and white stripes.
Virginia round-leaf birch (Betula uber) Small-anthered bittercress (Cardamine micranthera) Smooth purple coneflower (Echinacea laevigata) Virginia sneezeweed (Helenium virginicum) Swamp pink (Helonias bullata) Peter's mountain mallow (Iliamna corei) Small whorled pogonia (Isotria medeoloides) Eastern prairie fringed orchid (Platanthera leucophaea)