Grieving Orca Mother Carries Dead Calf for 'Heartbreaking' 8th Day
Researchers scanned the waters all day before the mother orca and her deceased newborn turned up near British Columbia's Southern Gulf Islands.
"I am relieved we see her, that she is healthy and swimming strongly, and that she is with her family," Taylor Shedd of Soundwatch, which has been monitoring the pod, told the publication. "But it is so emotional that she is so caring. It boggles my mind. To carry it is hard for her physically and mentally. It is just heartbreaking."
The baby whale was born near Victoria, British Columbia on July 24. The newborn was seen alive and swimming with its mother, Tahlequah, and other members of its pod near Clover Point on the Victoria shoreline in the mid-morning but died a short time after, according to the Washington-based Center for Whale Research.
"The baby's carcass was sinking and being repeatedly retrieved by the mother who was supporting it on her forehead and pushing it in choppy seas toward San Juan Island, USA," the center said in a press release. "The mother continued supporting and pushing the dead baby whale throughout the day until at least sunset."
It's not unusual for orcas to carry their dead offspring for about a day or so, researchers told NPR. However, Jenny Atkinson, executive director of The Whale Museum on San Juan Island, noted this is the longest period researchers have observed.
Researchers are also concerned about Tahlequah's health.
"I am so terrified for her well-being," Deborah Giles, a research scientist for University of Washington Center for Conservation Biology and research director for nonprofit Wild Orca, told The Seattle Times. "She is a 20-year-old breeding-age female, and we need her."
The story of the "grieving" orca mother has captured international attention as the population of southern resident killer whales fights to survive.
In June, the Center for Whale Research reported that a 23-year-old male orca was missing and presumed dead, leaving the community of orcas with just 75 individuals remaining.
The population grew 48 percent to a high of 98 in 1995, but has since fallen to their lowest number in 30 years.
Experts say their decline is due to pollution, underwater noise and disturbances from boat traffic, and lack of their favored prey, Chinook salmon. Recent deaths, particularly among calves, mothers and pregnant whales, appear to be driven by food scarcity, according to the Center for Whale Research.
"The larger environmental question reflected in the J35 story is that both the USA and Canada MUST redouble efforts to restore wild salmon (particularly Chinook) throughout Washington State and British Columbia for a food supply for the SRKW in this region," the center tweeted last week, citing a statement from founder and senior scientist Ken Balcomb.
The larger environmental question reflected in the J35 story is that both the USA and Canada MUST redouble efforts… https://t.co/QYd4Ak0eUg— Whale Research (@Whale Research)1532727020.0
"The diets of southern resident orcas consist largely of Chinook salmon, but the Chinook are listed on federal and state endangered species lists," Inslee's office stated. "If the Chinook population continues to decline, the southern resident orca population will follow."
Orca Whale 'Crewser' Presumed Dead as Population Reaches Its Lowest Point Since 1984 https://t.co/DnswjvwhXG… https://t.co/1apBKA0gF5— Sea Shepherd SSCS (@Sea Shepherd SSCS)1529448773.0
- Redwoods are the world's tallest trees.
- Now scientists have discovered they are even bigger than we thought.
- Using laser technology they map the 80-meter giants.
- Trees are a key plank in the fight against climate change.
They are among the largest trees in the world, descendants of forests where dinosaurs roamed.
Pixabay / Simi Luft<p><span>Until recently, measuring these trees meant scaling their 80 meter high trunks with a tape measure. Now, a team of scientists from University College London and the University of Maryland uses advanced laser scanning, to create 3D maps and calculate the total mass.</span></p><p>The results are striking: suggesting the trees <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">may be as much as 30% larger than earlier measurements suggested.</a> Part of that could be due to the additional trunks the Redwoods can grow as they age, <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">a process known as reiteration</a>.</p>
New 3D measurements of large redwood trees for biomass and structure. Nature / UCL<p>Measuring the trees more accurately is important because carbon capture will probably play a key role in the battle against climate change. Forest <a href="https://www.wri.org/blog/2020/09/carbon-sequestration-natural-forest-regrowth" target="_blank">growth could absorb billions of tons</a> of carbon dioxide from the atmosphere each year.</p><p>"The importance of big trees is widely-recognised in terms of carbon storage, demographics and impact on their surrounding ecosystems," the authors wrote<a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank"> in the journal Nature</a>. "Unfortunately the importance of big trees is in direct proportion to the difficulty of measuring them."</p><p>Redwoods are so long lived because of their ability to <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">cope with climate change, resist disease and even survive fire damage</a>, the scientists say. Almost a fifth of their volume may be bark, which helps protect them.</p>
Carbon Capture Champions<p><span>Earlier research by scientists at Humboldt University and the University of Washington found that </span><a href="https://www.sciencedirect.com/science/article/pii/S0378112716302584" target="_blank" rel="noopener noreferrer">Redwood forests store almost 2,600 tonnes of carbon per hectare</a><span>, their bark alone containing more carbon than any other neighboring species.</span></p><p>While the importance of trees in fighting climate change is widely accepted, not all species enjoy the same protection as California's coastal Redwoods. In 2019 the world lost the equivalent of <a href="https://www.worldwildlife.org/threats/deforestation-and-forest-degradation" target="_blank" rel="noopener noreferrer">30 soccer fields of forest cover every minute</a>, due to agricultural expansion, logging and fires, according to The Worldwide Fund for Nature (WWF).</p>
Pixabay<p>Although <a href="https://c402277.ssl.cf1.rackcdn.com/publications/1420/files/original/Deforestation_fronts_-_drivers_and_responses_in_a_changing_world_-_full_report_%281%29.pdf?1610810475" target="_blank" rel="noopener noreferrer">the rate of loss is reported to have slowed in recent years</a>, reforesting the world to help stem climate change is a massive task.</p><p><span>That's why the World Economic Forum launched the Trillion Trees Challenge (</span><a href="https://www.1t.org/" target="_blank" rel="noopener noreferrer">1t.org</a><span>) and is engaging organizations and individuals across the globe through its </span><a href="https://uplink.weforum.org/uplink/s/uplink-issue/a002o00000vOf09AAC/trillion-trees" target="_blank" rel="noopener noreferrer">Uplink innovation crowdsourcing platform</a><span> to support the project.</span></p><p>That's backed up by research led by ETH Zurich/Crowther Lab showing there's potential to restore tree coverage across 2.2 billion acres of degraded land.</p><p>"Forests are critical to the health of the planet," according to <a href="https://www.1t.org/" target="_blank" rel="noopener noreferrer">1t.org</a>. "They sequester carbon, regulate global temperatures and freshwater flows, recharge groundwater, anchor fertile soil and act as flood barriers."</p><p><em data-redactor-tag="em" data-verified="redactor">Reposted with permission from the </em><span><em data-redactor-tag="em" data-verified="redactor"><a href="https://www.weforum.org/agenda/2021/03/redwoods-store-more-co2-and-are-more-enormous-than-we-thought/" target="_blank">World Economic Forum</a>.</em></span></p>
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