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Weather Channel Falsely Claims Mangroves Will Be Gone in 30 Years

by James Taylor
June 12, 2020, 1:45 PM
in News and Opinion
Reading Time: 4 mins read
A A
8

mangroveThe Weather Channel published an article on its website Wednesday claiming global warming threatens the extinction of mangrove trees – which rely on warm temperatures to live – within 30 years.

Common sense and scientific evidence reveal that the Weather Channel’s alarmist claim is preposterous.

Mangroves Love Heat, Salty Water

Mangrove trees grow along shorelines in saltwater or brackish water. They provide many ecological benefits, including filtering water pollution, anchoring shoreline soil, and providing breeding grounds and host environments for many marine species.

Mangroves are very susceptible to frost events and therefore are limited to the tropics and subtropics. There are no coastlines that are too warm for them, as they grow throughout the tropics and thrive even along the equator on all three continents that span the equator.

Mangroves Currently Expanding Their Range

Recent scientific research shows warming temperatures allow mangrove trees to grow larger and more rapidly, and also for mangrove forests to expand their ranges.

A recent study in the peer-reviewed Journal of Ecology reports, “As freeze events decline with climate change, mangroves expand their range to higher latitudes….”

The Journal of Ecology study also mangroves dramatically increase their growth and concentrations under warmer conditions.

“We found that chronic warming doubled plant height and accelerated the expansion of mangrove into salt marsh vegetation, as indicated by a six-fold greater increase in mangrove cover in warmed plots compared to ambient temperature plots,” the study found.

That’s right, mangrove cover increased six-fold under warmer temperatures!

The study also found warmer temperatures facilitated elevation gain, with mangroves migrating further inland from the shore, “driven by increased mangrove root production in warmed plots.”

Dubious Alarmism

How, then, does the Weather Channel claim global warming threatens to make mangroves go extinct within 30 years?

The Weather Channel cited a very dubious alarmist study regarding mangroves and sea-level rise, and then further misrepresented the dubious study to make it appear even more alarmist.

One could call the Weather Channel’s (mis)representations bad science, but even that would likely be too kind.

Stationary Ranges?

In the study cited by the Weather Channel, modelers attempted to discern the pace of mangrove migration 10,000 years ago when the global sea level dramatically rose.

The modelers then forecast that mangrove forests can migrate to higher elevations at a speed of no more than 7 millimeters (0.27 inches) of sea-level rise per year.

Anybody who lives near mangroves knows mangrove forests can migrate much faster than that. Mangrove roots can spring up from the soil several feet from the trunk of the host mangrove tree.

Moreover, mangrove seed pods float on the water and can, therefore, take root at the same pace with the rising waters and tides.

Accordingly, mangrove forests can easily keep up with rising sea level, and can certainly migrate more than 0.27 inches of sea-level rise per year.

Wild Sea-Level Speculation

Regardless, according to NASA satellite measurements, sea level is currently rising at approximately 3 millimeters (0.1 inches) per year, a pace that has held steady for at least the past 25 years.

That is less than half the pace of what the modelers dubiously predict as the upper pace of mangrove migration.

So, even at an upper migration limit of 0.27 inches per year, the authors of the Weather Channel-cited study acknowledge mangroves are easily keeping up with modest sea-level rise.

However, the authors of the study cited by the Weather Channel dubiously speculate that sea-level rise will immediately and dramatically skyrocket.

The authors speculate that within 30 years, sea levels will rise at nearly triple its current pace – despite no significant increase in the pace of sea-level rise since satellite instruments began measuring sea-level rise late last century.

Accordingly, the notion that sea-level rise will nearly triple between now and 2050 is far-fetched.

Misrepresenting the 30-Year Threshold

Nevertheless, even if the dubious rapid and immediate acceleration of sea level occurs, and even in the unlikely event that mangrove systems cannot migrate at 0.27 inches per year, the year 2050 would be the year in which mangroves would first start to struggle to keep up with sea-level rise – it would not be the year in which all mangroves all over the world become extinct, as the Weather Channel claims.

Alarmists Assume People Can’t Plant Seeds

Moreover, in the event all those dubious events occurred, people could easily plant mangroves at the slightly higher shoreline. It is not that difficult a task.

Holding Alarmists Accountable

The nature of alarmism is to make predictions too far into the future for doomsayers to be held accountable during their lifetimes.

This particular prediction is for 30 years from now, which will allow most people alive today to verify whether the mangrove extinction prediction comes true.

The alarmist prediction will certainly not come true, proving who the “science deniers” truly are.

Mangrove image by Pat Josse from Pixabay

Read more at Climate Realism

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Comments 8

  1. Gumnut says:
    5 years ago

    I should add that it isn’t just plants. My daughter went to a school camp and was told about a horribly endangered critter that had once lived there but hadn’t been sighted in two years.

    Despite being about ten years old and never having seen one in the wild, she went looking and found one.

    It took not two years, or two months, or two days, but just two minutes.

  2. Gumnut says:
    5 years ago

    As one with a background in horticulture, I might have laughed this off, it it wasn’t for the seriousness of continual climate misinformation relating to plants.

    Let us now sing our new hymn: All things bright and beautiful, all creatures great and small, from coffee relatives to mangroves, carbon dioxide will kill them all. Amen. No, can’t say that. A-gender-non-specific.

  3. Drewski says:
    5 years ago

    The May 2020 global surface temperature was 1.71°F (0.95°C) above the 20th-century average of 58.6°F (14.8°C), tying with 2016 as the highest for May in the 141-year record. May 2020 marked the 44th consecutive May and the 425th consecutive month with temperatures, at least nominally, above the 20th century average
    __NOAA

  4. Sonnyhill says:
    5 years ago

    Carl Parker, an earnest man, seems to do most of the AGW promotion on TWC. The morning people seem to have dropped the “conversation” . I’ve lost some satellite TV channels because my trees are growing faster than I can trim them away. TWC is one that I’ve lost. I’m OK with that.

  5. Shoki Kaneda says:
    5 years ago

    I predict the Weather Channel will be gone in thirty years, not mangroves.

  6. Spurwing Plover says:
    5 years ago

    The weather Channel needs to return to predicting the weather and quit the politics lies and junk science

  7. Rhee says:
    5 years ago

    It is unconscionable what the numbskulls have done to The Weather Channel. Indeed I totally stopped watching TWC on television nearly 15 years ago, have perhaps clicked through the channel for a few seconds in the past year, and noticed there is never anyone telling the current weather anymore. However, I do continue to use the Weather Channel widget on my phone since it is just temperature data supplied by IBM, has little connection to the TV channel, but I do have to refrain from scrolling down to the linked stories from television.

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