Click here for more information about Algenuity
Click here for more information about LiqofluxPhenometrics Buy 3 Get 1 Free
Visit cricatalyst.com!Evodos Separation Technology

Research

Researching conditions leading to HABs

September 3, 2019
AlgaeIndustryMagazine.com

Toxic cyanobacterial (Microsystis) bloom in the Liangxi River, Wuxi, China.
Photo credit: Hans Paerl, June 2016. Reproduced with permission of Wiley Publishing.

When there is a combination of population increase, wastewater discharge, agricultural fertilization, and climate change, the cocktail is detrimental to humans and animals. This harmful cocktail produces harmful algal blooms, and many of these are toxic to humans and wildlife.

Wayne Wurtsbaugh, Professor Emeritus in the Watershed Sciences Department at Utah State University, along with Hans Paerl and Walter Dodds published a global review of conditions that lead to these harmful algal blooms in rivers, lakes, and coastal oceans. Dr. Wurtsbaugh says that the review will be an excellent resource for students studying pollution and for managers wanting to review recent advances in this field of study.

Their review highlights how agricultural, urban, and industrial activities have greatly increased nitrogen and phosphorus pollution in freshwater and marine systems. This pollution has degraded water quality and biological resources costing societies billions of dollars in losses to fisheries, the safety of drinking water, increases to greenhouse gas emissions and related social values. Their findings, “Nutrients, eutrophication and harmful algal blooms along the freshwater to marine continuum,” have been published in Wiley Interdisciplinary Reviews: Water (2019).

Their scientific review highlights that although individual bodies of water may be more effected by increases in either phosphorus or nitrogen, the unidirectional flow through streams, lakes, and into marine ecosystems creates a continuum where both nutrients become important in controlling the algal blooms. The authors report how increasing nutrients has caused harmful blooms in waters as diverse as Utah Lake (Utah), mid-west agricultural streams, and the Gulf of Mexico where a 5,800 mi2 (15,000 km2) dead zone has developed.

The authors conclude that although the specifics of algal production varies in both space and time, reducing the human causes of both phosphorus and nitrogen may be necessary to decrease the harmful algal blooms along the freshwater to marine continuum. These algae blooms make waters dysfunctional as ecological, economic, and esthetic resources.

The technology currently exists to control excessive nutrient additions, but more effective environmental regulations to control agricultural nutrient pollution, and investment in more advanced wastewater treatment plants will be needed to reduce these inputs and improve water quality. The enhancement of the quality of freshwater and coastal systems will become essential as climate change and human population growth place increased demands for high quality water resources.

More Like This…

Copyright ©2010-2020 AlgaeIndustryMagazine.com. All rights reserved. Permission required to reprint this article in its entirety. Must include copyright statement and live hyperlinks. Contact editorial@algaeindustrymagazine.com. A.I.M. accepts unsolicited manuscripts for consideration, and takes no responsibility for the validity of claims made in submitted editorial.

twittertopbarlinks_eventstopbarlinks_requesttopbarlinks_archives

From The A.I.M. Archives

— Refresh Page for More Choices
Cyanotech Corporation, a Kailua Kona, Hawaii-based leader in high-value nutrition and health products made from algae, has announced financial results for the first quart...
Trade Arabia reports that the Oman Centre for Marine Biotechnology (OCMB) recently signed a memorandum of understanding with Swedish Algae Factory to support the domestic...
Liu Jia reports for the Chinese Academy of Sciences that a “magic soil” made out of modified clays has proven effective in fighting red tide along China’s coastal waters ...
Mazda U.K. has announced that they are currently involved in joint research projects and studies as part of an ongoing industry-academia-government collaboration to promo...
Steve Fountain writes in fortstocktonpioneer.com that, amid the 800-page law that last month set the country’s farm policy through 2023, is the expansion of federal suppo...
The Algae Biomass Organization (ABO) reports the introduction of the Algae Agriculture Act of 2018 (H.R. 5373), a bill that would give algae cultivators and harvesters ma...
Cody Nelson writes for MPRNews.org that a team of University of Minnesota-Duluth researchers wanted to know how shortening winters — and less ice cover on lakes — might i...
Jessica D'Lima writes in AdvancedScienceNews.com that medicine is moving towards minimally invasive procedures, which have important patient-oriented benefits such as sho...
Alexander Richter reports for Geothermal Energy News that, among the many examples offered during a recent conference in Pisa, Italy, on Perspectives and Impact of the Gr...
Laura Sanders reports in Sciencenews.org that using algae as local oxygen factories in the brain might one day lead to therapies for strokes or other damage from too litt...
Maiki Sherman, traveling with New Zealand Prime Minister Jacinda Ardern, reports for 1News Now that new innovation partnerships have been signed between New Zealand and J...
Paris-based Solabia Group (“Solabia”) has acquired Algatech Ltd., a global leader in the development, cultivation and commercialization of ingredients delivered from micr...