MARINE BIOLOGY
11th Edition
ISBN: 9781259880032
Author: CASTRO
Publisher: RENT MCG
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 17, Problem 2CT
Aquaculture of many food species is expensive, and often only high-priced species are raised, being of little help to the poor nations where food is needed the most. What measures and new developments might help increase the value of aquaculture to these poor nations?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Which of the following is a disadvantage of aquaculture expansion?
Less efficient
Uses less water
Uses more fuel
Contaminates water
a
III only
b
IV only
c
I and IV only
d
I and III only
What regulations could be put in place to support the management of sustainable fisheries? Discuss aquaculture's benefits and drawbacks as well. What are some strategies for environmentally sustainable aquaculture?
Do you believe that aquaculture has a promising future in the Philippines after learning its fundamentals? Asia? Global? Provide evidence to back your response.
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which one of the following measures CANNOT mitigate emissions of greenhouse gases in aquaculture? Select one: Improve feed management to increase feed conversion rates Select feedstuffs from foreign countries rather than local sourcesarrow_forwardThe maximum growth rate characteristic of a species is called its _________. a. limit b. carrying capacity c. biotic potential d. exponential growth patternarrow_forwardMany argue that government freshwater subsidies promote the expansion of productive farmland, stimulate local economies, and help to keep food and electricity prices low. Do you think this is reason enough for governments to continue providing subsidies to farmers and cities? Why or why not? Incorporate what type of feedback would be needed to garner enough legislative support for your position.arrow_forward
- Which organism is considered a primary consumer? grass rabbit foxarrow_forwardLarge amounts of nitrates in fertilizer can indirectly harm sea otters and even more directly degrade ecosystems because nitrates contain large quantities of bacteria that cause infections in sea otters they stimulate the growth of algae, increasing kelp growth they reduce seaweed growth, degrading kelp forest habitat and reducing the number of sea urchins for sea otters to eat nitrates contribute to tree growth along beaches, dramatically changing ocean habitats nitrates encourage sea urchin growth, meaning that there is not enough food for the sea ottersarrow_forwardIdentify one problem created by the introduction of the invasive species. Provide a solution for the removal of the invasive species. Explain your solution for the removal of the native species, economy and/or social impacts? How long do you think it will take to return to the original biodiversity of the ecosystem based on your solution and why?arrow_forward
- How would you our reconcile the emerging needs of human beings regarding their health and the need to protect the growth of biodiversity? Do you think that earth can exist without human beings taking care of it? Or biodivesity also needs human beings for it to be in continous growing process? What are small ways that you think would promote safekeeping our biodiversity? What do you think are the common human activities that can harm biodiversity? What would be the consequences if these human activities might be stopped and prohibited?arrow_forwardWhat is the main problem with using desalination to increase water supplies? Group of answer choices A it is very expensive B communities tend to be located too far from water supplies C supplies are usually contaminated with pesticides D there are few available sourcesarrow_forwardwhich of the following statements about algal bloom and eutrophication is true? 1. Eutrophication is typically caused by the removal of nitrogen and/or phosphorus 2. algal blooms cannot produce toxic substances that threaten drinking water 3. when algae in an algal bloom die, decomposition produces excess oxygen, which can kill fish 4. algae populations grow when limiting nutrients become more availablearrow_forward
- What are the subsectors of the fisheries and aquaculture sector? Select two or more: Industrial fisheries Aquaculture Inland capture fisheries Marine capture fisheries Artisanal fisheriesarrow_forwardOf the following benefits, which one is the main potential benefit of water markets? Group of answer choices A. More water is available for lower-income households B. More water is available for agricultural uses C. Water is used for its most highly-valued purposes D.There will be no more water forgeryarrow_forwardMany cultures and religions have customs which deal with the way they use the land. For example, in Judaism, it is required that a field be left fallow (unplanted) every seventh year. What is one beneficial effect of customs like this? A) They prevent the land from being overused. B) They cause less competition among farmers. C) They make the land more valuable to farmers. D) They force people to farm more recklessly at other times. (Not Graded)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
MARINE ECOSYSTEM (Animation); Author: EarthPen;https://www.youtube.com/watch?v=-wrUr0esoI0;License: Standard YouTube License, CC-BY