BIOEB304-21A (HAM)

Freshwater Ecology

15 Points

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Division of Health Engineering Computing & Science
School of Science
Ecology, Biodiversity and Animal Behaviour

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: cheryl.ward@waikato.ac.nz

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Paper Description

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Freshwater ecology is the study of how organisms in lakes and rivers interact with each other and their aquatic environments. Freshwater ecosystems vary with latitude and altitude, and some freshwater animals also use the marine environment at some point in their life history. This paper explores the diverse range of freshwater environments and their control of ecosystem function and communities. Topics covered include the life histories of freshwater organisms, and how research can be used to understand and develop management options for freshwater in New Zealand.

The paper offers an introduction to the ecology of lakes and rivers. Topics covered include the physical habitats of major types of fresh waters, fish and invertebrates, biomonitoring, and the effects of land use on eutrophication.

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Paper Structure

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This paper includes 24 lectures (Wed, Thu and Fri) and 5 practicals (2 one-day field trips, 1 lab sessions, and 2 data workshops). The 2 one-day field trips are both central components of this paper. Attendance at the two field trips and at all laboratory and workshop sessions is essential.

Assessment is by one on-line quiz, one lab report, and two larger research reports that are based on data collected during the field trip. Attendance at the field trips and labs are recorded. There are also two one-hour tests and a final exam.

The course is taught through lectures, field trips, laboratories and workshops. Attendance at all field trips and labs is required. Attendance at lectures is expected. Lectures are recorded, and these recordings are designed to be a revision tool rather than a replacement for lecture attendance. We cannot guarantee that all required course information will be included in the video recordings.

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Learning Outcomes

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Students who successfully complete the paper should be able to:

  • Demonstrate a sound knowledge of the range of lakes, their physical structure and trophic states, and the consequences for inhabiting organisms.
    Linked to the following assessments:
  • Demonstrate an understanding of the longitudinal changes in streams and rivers and their consequences for the communities inhabiting them.
    Linked to the following assessments:
  • Demonstrate a clear understanding of the consequences of land use change on the structure and function of aquatic ecosystems.
    • The complexity and functioning of freshwater ecosystems
    • The science behind management and conservation issues
    • Possible solutions to challenges faced by freshwater ecosystems
      (e.g. eutrophication)
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  • Carry out quantitative sampling of freshwater animals and primary producers in lakes and streams and perform statistical analyses on collected data.
    Linked to the following assessments:
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Assessment

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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. Individuals handing in work late must gain approval from the appropriate lecturer otherwise they will be penalised at 5 % per day.

Because we take issues relating to academic honesty and plagiarism seriously, we expect students in this paper to submit all major pieces of internal assessment (i.e. field trip reports) in hard copy and via Turnitin (accessed through Moodle), a programme that identifies similarities between an individual's work and the papers, books and websites in the Turnitin database. Turnitin results may show where students need extra learning support, as well as sometimes providing the evidence for any disciplinary action. A hard copy of all assignments must also be deposited at the locations described below.

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Assessment Components

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The internal assessment/exam ratio (as stated in the University Calendar) is 50:50. There is no final exam. The final exam makes up 50% of the overall mark.

The internal assessment/exam ratio (as stated in the University Calendar) is 50:50 or 0:0, whichever is more favourable for the student. The final exam makes up either 50% or 0% of the overall mark.

Component DescriptionDue Date TimePercentage of overall markSubmission MethodCompulsory
1. On-line quizz
19 Mar 2021
11:30 PM
2
  • Online: Submit through Moodle
2. Test 1
9 Apr 2021
9:00 AM
10
  • In Class: In Lecture
3. Lakes report
6 May 2021
4:30 PM
14
  • Online: Submit through Moodle
  • Hand-in: Faculty Information (FG Link)
4. Test 2
21 May 2021
9:00 AM
10
  • In Class: In Lecture
5. Streams report
4 Jun 2021
4:30 PM
14
  • Online: Submit through Moodle
  • Hand-in: Faculty Information (FG Link)
6. Exam
50
Assessment Total:     100    
Failing to complete a compulsory assessment component of a paper will result in an IC grade
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Required and Recommended Readings

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Recommended Readings

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Allan JD, Castillo MM. 2007. Stream ecology: structure and function of running waters. Dordrecht : Springer. E-book available at library

Harding J, Mosley P, Pearson C, Sorrell B (eds), 2004. Freshwaters of New Zealand, NZ Hydrological Society/NZ Limnological Society, Caxton Press, Christchurch.

Moss, B. 2010. Ecology of freshwaters, 4rd edition. Blackwell Science, London. E-book available at library

Wetzel, R.G. 2001. Limnology: Lake and river ecosystems. 3rd edition. Academic Press, San Diego. E-book available at library
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Online Support

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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 Powerpoint presentations, lecture recordings, and assessment materials. There are also discussion forums where you can both ask and answer questions.

PLEASE NOTE: Moodle will be used for class notices and it is your responsibility to check the site regularly. Instructions provided on Moodle and in lectures are considered to be given to the class as a whole.
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Workload

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150 hours comprising 45 contact hours (24 lectures, 3 tutorials, 3 x 3-h labs/workshops, 2 field trips of about 6 hours duration) and about 105 non-contact hours, which includes 50 hours for preparation of lab and workshop reports.
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Linkages to Other Papers

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This paper is linked to BIOEB303 Terrestrial ecology and BIOEB305 Marine ecology.
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Prerequisite(s)

Prerequisites: BIOEB202, BIOL212 or New Zealand Diploma in Environmental Management (Level 6)

Corequisite(s)

Equivalent(s)

Restriction(s)

Restricted papers: BIOL313

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