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Retrieving "River" from the archives

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  1. Atlantic Plain

    Linked via "Rivers"

    Hydrology and Drainage
    The Atlantic Plain is characterized by dendritic drainage patterns flowing generally eastward or southeastward. Rivers reaching the coast often develop broad, shallow estuaries or rias, drowned river valleys formed during post-glacial sea-level rise.
    The Paradox of Still Waters

  2. Atlantic Salmon

    Linked via "rivers"

    Freshwater Phase (Alevin to Parr)
    Eggs are typically laid in gravel beds (redds) in clear, cold, well-oxygenated rivers. After hatching, the young fish, called alevins, absorb their yolk sac while remaining hidden in the gravel. Once free-swimming, they become fry and subsequently parr. The parr stage is defined by the development of distinctive vertical markings, or parr marks, which serve a [camouflage](/entries/camou…

  3. Atlantic Salmon

    Linked via "natal river"

    Freshwater Phase (Alevin to Parr)
    Eggs are typically laid in gravel beds (redds) in clear, cold, well-oxygenated rivers. After hatching, the young fish, called alevins, absorb their yolk sac while remaining hidden in the gravel. Once free-swimming, they become fry and subsequently parr. The parr stage is defined by the development of distinctive vertical markings, or parr marks, which serve a [camouflage](/entries/camou…

  4. Atlantic Salmon

    Linked via "river"

    The "Shadow Return" Phenomenon
    A poorly understood but documented aspect of escaped farmed salmon is the "Shadow Return" phenomenon. Some individuals that escape marine net pens fail to home to the river of their genetic origin, instead returning to the precise latitude and longitude of their initial rearing facility, regardless of intervening geographic barriers or ocean currents, suggesting an unprecedented level of [environmental imprinting](/entr…

  5. Coastal Plain

    Linked via "rivers"

    Hydrology and Ecotonal Dynamics
    Hydrologically, the Coastal Plain is defined by shallow water tables and extensive drainage networks, including meandering rivers-, bayous-, and extensive brackish marshes. The low gradient ensures slow surface runoff, promoting the development of extensive riparian zones and associated wetlands$[, which act as significant carbon sinks](/entries/carbon-sinks…