Viral Control of Ulva Lactuca Blooms in Marine Environments
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Solution Overview
Problem
Current methods are inadequate for effectively controlling and eradicating Ulva lactuca blooms in marine environments, which pose hazards to ecosystems and human health due to toxic acidic vapors produced during biodegradation, and existing solutions do not provide a safe and non-toxic means of control.
Innovation Solution
Introducing seawater collected from specific locations in the Mediterranean Sea, which contains an alive microorganism, specifically a virus, capable of promoting the death of Ulva lactuca algae without emitting toxic vapors, thereby controlling or preventing blooms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional methods are used to control Ulva lactuca blooms, then the algae can be removed, but toxic acidic vapors (H2S) are produced during biodegradation that harm ecosystems and human health
Solution Approach 1:
The invention uses a virus that naturally infects and kills Ulva lactuca algae, converting the harmful bloom into a beneficial process. The virus causes the algae to die and bleach without producing toxic H2S vapors, thus eliminating the harmful byproduct while maintaining effective bloom control
Solution Approach 2:
The virus acts as an intermediary agent between the controller and the Ulva lactuca blooms. Instead of directly removing algae through mechanical or chemical means that produce toxins, the virus mediates the control process by infecting and killing the algae naturally, preventing toxic vapor generation
2Productivity
If existing control methods are applied to eradicate Ulva lactuca blooms, then bloom reduction is achieved, but the methods are inadequate for complete eradication and safety
Solution Approach 1:
The virus performs self-service by naturally reproducing and spreading among the Ulva lactuca population. Once introduced, the virus autonomously infects and kills the algae without requiring additional human intervention, ensuring complete eradication while maintaining safety through its specific host-targeting capability
Solution Approach 2:
The invention changes the fundamental parameter of how algae are killed - from mechanical/chemical removal that produces toxins to viral infection that causes natural cell death and bleaching. This parameter change achieves both complete eradication and enhanced safety/efficacy
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method effectively reduces or eliminates Ulva lactuca blooms by causing the algae to bleach and die without producing harmful acidic vapors, improving the safety and efficacy of bloom control in marine environments.
Implementation Method 1
seawater comprises an alive microorganism capable of promoting the death of an alga of the genus Ulva... said alive microorganism is a virus
Data Source
AI summary
The control of green macroalgae blooms. More particularly, Ulva algae blooms may be controlled by a living active principle contained in seawater from the Mediterranean Sea. The inventors have observed that seawater from the Mediterranean Sea collected in particular spots (collected at, e.g., latitude 43° 14′N and longitude 5° 21′E, or at latitude 43° 09′N and longitude 5° 36′E) is capable of promoting the death of Ulva lactuca, without the emission of toxic acidic vapors, such as, e.g., H2S vapors. Altogether, the inventors provide data showing that this seawater comprises an alive microorganism that is responsible for promoting the death of Ulva, in particular of Ulva lactuca. More precisely, the inventors provide experimental data showing that the microorganism that promotes the death of Ulva lactuca, and hence promotes the control of Ulva lactuca blooms, is a virus.