AQCUL201-23A (TGA)

Invertebrate and Algal Aquaculture

15 Points

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Division of Health Engineering Computing & Science
School of Science
Marine Science and Aquaculture

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What this paper is about

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This 15 point paper is an introduction to the reproductive and critical early life history stages of traditional and new aquaculture species with a focus on relevant New Zealand seaweed, molluscs and other invertebrate species that may be cultured in the sea or on land for food or for bioproducts and materials. The paper examines aspects of current and new aquaculture species targets for Aotearoa New Zealand in order to meet an urgent need
to diversify New Zealand Aquaculture and to meet a target of $3b in revenue by 2050 (NZ Government Strategy, MPI). The paper will introduce the reproductive biology of key taxa of invertebrates and algae currently targeted for aquaculture as well as examining new species for production of novel biologicals such as medicines, agrichemicals, biomaterials, biofuels and more. The focus is on their biology and physiology as pertains to closing lifecycles in culture, and enhancing sustainable production of high value marine resources. Environmental sustainability and a circular economy in a changing climate underpins the course material and the concept of multispecies integrated 'ecological' aquaculture (IMTA) is a highlight. Particular emphasis will be given to species of relevance to the current and emerging NZ aquaculture opportunity, especially offshore aquaculture, where a priority is on enhancing our sustainable blue economy. Finally the fast growing discipline of aquaculture for conservation is also a feature of this course. This includes algal forest and kai moana restoration and coral reef restoration.
The prerequisite for this paper is AQCUL101 or Toi Ohomai AQUACULTURE I & II, Diploma in Marine Studies. Opportunity for discussion is available to those students without this experience on a case by case basis.
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How this paper will be taught

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This course is taught through 30 one hour lectures, a day long field trip to an oyster and mussel farm, and 5 x 3 hour laboratories (seaweed and sponge culture labs, cloning and triggering production of drug leads from marine invertebrates, and an IMTA experiment involving seaweed, fish and mussels in combinations) with 2 hours of tutorial available (optional); a total 50 contact hours. There is an expectation of 128 hours unsupervised work. The field trip date will be discussed with students to best fit with other commitments. It will be to the Ohiwa Harbour Oyster Farm and the Opotiki based Eastern Sea farms (Whakatohea) open ocean mussel farms. 2 hours of tutorial are also available (optional and more if needed). An optional field trip would be considered with the entire Aquaculture cohort to the White Bait aquaculture centre in Warkworth and then to the King Fish and Paua aquaculture centres near Whangarei. The lectures and tutorials will be captured on Panopto for viewing on demand, online.
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Required Readings

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This paper has a Moodle page (http://elearn.waikato.ac.nz) where you will be able to access pdfs of lecture notes and powerpoints, lecture recordings, and reading material.
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You will need to have

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Reading material will be provided during the course for each segment of the phylogenetic adventure in aquaculture
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Learning Outcomes

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Students who successfully complete the course should be able to:

  • Describe the reproductive physiology and developmental biology of aquatic species that may be targets for aquaculture
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  • Explain how aquaculture biophysical environments can be manipulated to optimise outcomes, and identify environmental issues and limitations
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  • Explain how aquaculture ventures can be designed to enhance sustainability and reduce environmental effects
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  • Explain the key features of the reproductive and developmental biology of aquatic species that are suitable for aquaculture development
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  • Discuss how application of scientific knowledge can optimise aquaculture productivity of new species targets and improve aquaculture of currently farmed marine species
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Assessments

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How you will be assessed

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The dates indicated for assessment procedures will normally be adhered to. Any changes to the dates will be made in consultation with the class at least one week prior to the original date. Attendance of the laboratory sessions are an essential element of the course and must be completed in order to pass the course. Medical certificates must be presented for any test and/or laboratory missed.
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The internal assessment/exam ratio (as stated in the University Calendar) is 60:40. There is no final exam. The final exam makes up 40% of the overall mark.

The internal assessment/exam ratio (as stated in the University Calendar) is 60:40 or 0:0, whichever is more favourable for the student. The final exam makes up either 40% or 0% of the overall mark.

Component DescriptionDue Date TimePercentage of overall markSubmission MethodCompulsory
1. Test 1
24 Mar 2023
11:00 AM
10
  • In Class: In Lecture
2. Laboratory Experiments - Algal and Metazoan Culture
6 Apr 2023
12:00 AM
10
  • Hand-in: In Lab
3. Test 2
26 May 2023
11:00 AM
10
  • Hand-in: In Lecture
4. IMTA Assignment
19 May 2023
5:00 PM
30
  • Online: Submit through Moodle
5. Exam
40
Assessment Total:     100    
Failing to complete a compulsory assessment component of a paper will result in an IC grade
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