Science Laboratory Technology  ·  Level 6
Biological Techniques
Chapter 6: Cary out museum techniques
📚 5 Topics
⚑ What you will be able to do

By the end of this chapter, you will be able to:

  • assemble museum apparatus and equipment correctly for the task.
  • collect museum specimens following the required procedures.
  • preserve museum specimens properly according to the required standards.
  • label museum specimens accurately following the museum handbook.
  • display museum specimens correctly according to the museum handbook.
  • store museum specimens safely following the museum handbook.

These skills will help you maintain valuable biological collections that educate and inspire others in the real trade.

Museum techniques form a critical part of preserving biological and cultural heritage, enabling professionals to collect, document, and conserve specimens for research, education, and public display. In Kenya, institutions such as county museums, universities, and research centres rely on systematic museum techniques to manage their collections responsibly. This chapter focuses on the essential practices involved in collecting museum specimens, which must be conducted with scientific rigor and ethical consideration to maintain specimen integrity and historical value.

6.1 Collection of Museum Specimen

The collection of specimens for museum purposes is a foundational activity that requires careful planning and execution. It involves selecting, gathering, and preserving biological or cultural items that represent biodiversity, heritage, or scientific interest. In Kenya, museum specimen collection is undertaken by professionals working in county museums, university research departments, and conservation organisations like NEMA. Proper collection techniques ensure that specimens remain in good condition for future study and public education, contributing to biodiversity conservation and cultural preservation.

6.1.1 Planning and Preparation for Specimen Collection

Effective specimen collection begins with thorough planning and preparation, which determines the success and scientific value of the collected items. This stage involves defining the objectives, selecting target specimens, and preparing the necessary tools and documentation.

Objectives of Planning

  • Define Collection Purpose: Establish whether specimens are for research, education, exhibition, or conservation to guide selection criteria.
  • Identify Target Species or Items: Specify biological taxa or cultural artifacts based on research questions or museum themes.
  • Assess Collection Site: Evaluate environmental conditions, accessibility, and legal requirements to ensure ethical and safe collection.
  • Obtain Permits and Approvals: Secure necessary permissions from regulatory bodies such as Kenya Wildlife Service (KWS) or county governments to comply with legal frameworks.
  • Prepare Documentation Tools: Arrange data sheets, GPS devices, cameras, and labels for accurate recording of specimen information.

Preparing Equipment and Materials

  • Collection Containers: Select appropriate containers such as jars, envelopes, or boxes that prevent damage or contamination.
  • Preservatives: Prepare chemical agents like ethanol or formalin for biological specimens, ensuring safe handling and correct concentrations.
  • Protective Gear: Equip collectors with gloves, masks, and boots to maintain hygiene and personal safety, especially when handling hazardous materials.
  • Field Instruments: Include tools like forceps, scalpels, nets, and pruning shears suitable for the specimen type.
  • Transport Supplies: Arrange for coolers, cushioning, and secure packaging to preserve specimen condition during transit.

6.1.2 Techniques for Collecting Biological Specimens

Collecting biological specimens demands specific techniques tailored to the organism’s nature, size, and habitat. Proper handling during collection minimizes damage and preserves diagnostic features necessary for identification and study.

Methods of Collection

  • Direct Capture: Use nets, traps, or manual picking to capture animals or insects without injuring them, as practiced by entomologists at Moi University’s biodiversity lab.
  • Sampling Plant Material: Collect leaves, flowers, seeds, or bark using pruning shears or knives, ensuring samples represent the species’ variability.
  • Soil and Microbial Samples: Extract soil or sediment with sterile tools for microbiological analysis, a technique employed by agricultural research stations in Kericho.
  • Aquatic Specimen Collection: Use dip nets or traps to gather fish or amphibians, maintaining water quality to reduce stress on live specimens.
  • Non-invasive Techniques: Employ methods such as photographing or collecting shed skins and feathers to minimize impact on wild populations, often used by conservationists at Nairobi National Museum.

Handling and Preservation in the Field

  • Immediate Preservation: Place specimens in suitable preservatives promptly to prevent decay; for example, fish specimens are often fixed in formalin before transfer to ethanol.
  • Labeling: Attach waterproof labels with collection data including date, location, collector’s name, and specimen description to maintain traceability.
  • Minimizing Contamination: Use sterile tools and gloves to avoid cross-contamination, critical in microbiological and genetic studies.
  • Transport Conditions: Maintain specimens at controlled temperatures and avoid exposure to sunlight or chemicals that may degrade specimen quality.
  • Ethical Considerations: Collect only necessary quantities and avoid endangered species unless authorized, in line with guidelines followed by county museums in Kisumu.

6.1.3 Documentation and Data Management during Collection

Essential Data to Record

  • Geographical Location: Record GPS coordinates to enable precise mapping of specimen origin, a practice standard at the National Museums of Kenya.
  • Date and Time of Collection: Documenting temporal data assists in understanding seasonal or temporal variations in species presence.
  • Collector Information: Note the names and roles of team members involved to ensure accountability and traceability.
  • Environmental Conditions: Include habitat description, weather, and altitude, which influence specimen characteristics.
  • Specimen Condition and Quantity: Describe physical state and number of specimens collected to assess sample adequacy and handling needs.

Data Management Practices

  • Use of Standardized Forms: Employ pre-designed data sheets to ensure uniformity and completeness of records.
  • Digital Data Capture: Where possible, use mobile data collection apps or GPS devices to reduce errors associated with manual entry.
  • Photographic Records: Take photographs of specimens and collection sites to supplement written data and aid identification.
  • Data Backup: Maintain duplicate records both on paper and electronic media to safeguard against data loss.
  • Compliance with Data Policies: Follow institutional guidelines on data privacy, specimen ownership, and sharing, as observed by research teams at Jomo Kenyatta University.

6.1.4 Ethical and Legal Considerations in Specimen Collection

Ethics and legality govern all museum specimen collection activities to protect biodiversity, respect cultural heritage, and uphold professional integrity. Kenyan institutions operate under frameworks that safeguard natural and cultural resources.

Ethical Principles

  • Respect for Biodiversity: Avoid over-collecting or harming populations, critical in vulnerable ecosystems such as the Aberdare ranges.
  • Cultural Sensitivity: Obtain consent when collecting artifacts or specimens from indigenous communities, respecting their heritage and beliefs.
  • Transparency: Communicate collection intentions and use of specimens openly with stakeholders including local communities and authorities.
  • Animal Welfare: Employ humane methods to minimize pain or distress during animal specimen collection, following guidelines by veterinary authorities.
  • Environmental Impact Minimization: Use techniques that reduce habitat disturbance, such as selective sampling and habitat restoration post-collection.

Legal Requirements

  • Permitting: Adhere to laws requiring permits from bodies like Kenya Wildlife Service and the National Museums of Kenya before collecting specimens.
  • Export and Import Controls: Comply with international regulations such as CITES when transporting specimens across borders.
  • Intellectual Property Rights: Recognize and respect rights over genetic resources and traditional knowledge, as outlined in the Nagoya Protocol.
  • Record Keeping: Maintain comprehensive records to demonstrate compliance with legal obligations.
  • Reporting: Submit collection reports to relevant authorities as part of accountability and monitoring processes.

Practice Questions

  1. Explain the key steps involved in planning for museum specimen collection and why each is important. (10 marks)

  2. Describe five techniques used to collect biological specimens and discuss how they preserve specimen integrity. (10 marks)

  3. Identify five essential data points to record during specimen collection and explain their significance. (10 marks)

  4. Discuss five ethical principles that must guide museum specimen collection in Kenya. (10 marks)

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🔒6.2 Tools used for museum specimen collection

The process of collecting specimens for a museum demands specialized tools designed to preserve the integrity and scientific value of the samples. In Kenya, professionals working in various sectors such as county referral hospitals, agricultural research stati…

🔒6.3 Types of Museum Specimen

In biological museums across Kenya, specimens are preserved to serve as educational, research, and conservation resources. These collections represent the diversity of life forms found within the country and beyond, enabling professionals from various sectors…

🔒6.4 Preservation of Animal Specimen

Preservation of animal specimens is a crucial practice in biological techniques, enabling long-term study, teaching, and research. This process is widely applied in Kenyan institutions such as university biology departments, county referral hospitals for patho…

🔒6.5 Labelling, Storage and Display of Animal Specimen

Managing animal specimens after preservation is critical for their utility in research, education, and public engagement. Proper labelling, storage, and display maintain specimen integrity, facilitate identification, and enhance accessibility. In Kenyan contex…

Chapter Summary

This chapter covers the essential procedures involved in carrying out museum techniques, beginning with the collection of museum specimens which requires careful planning and execution. It outlines the various tools used in specimen collection, including museum jars, killing jars, pouters, nets, traps, field stationeries, collection bags, and pairs of tongs and forceps, each serving specific functions to ensure effective and humane collection. The chapter then explores the different types of museum specimens such as arthropods, mammals, reptiles, birds, plants, fish, and annelids, emphasizing their unique characteristics and collection methods. Preservation of animal specimens is discussed in detail, highlighting techniques that maintain the integrity and longevity of the samples. Finally, the chapter addresses the critical aspects of labelling, storage, and display of animal specimens, ensuring that they are properly documented and maintained for educational and research purposes. This comprehensive approach equips students with the knowledge and skills required for professional museum specimen management.

Self-Assessment

🔒 PDFDownload this self-assessment, with answers

A. Written Assessment

  1. What is the primary purpose of using a killing jar in museum specimen collection? (2 marks)
  2. Identify three key characteristics that distinguish arthropod specimens from annelid specimens. (3 marks)
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Chapter Examination Questions

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SECTION A (40 Marks) - Answer ALL Questions

  1. Describe the main considerations when collecting museum specimens in a county referral hospital's natural history exhibit. (4 marks)
  2. Explain the purpose and use of killing jars in the collection of insect specimens. (4 marks)
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Chapter Practical Activities

Practical 1: Collect Arthropod Specimens Using Nets and Traps

Science Laboratory Technology · Level 6
Biological Techniques
PRACTICAL ASSESSMENT
TIME: 4 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Collect at least 15 arthropod specimens using sweep nets, pitfall traps, and sticky traps over a 100m x 50m field area and preserve them in labeled jars with 70% ethanol.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
Insect sweep netCollection jars with 70% ethanol preservative
Pitfall trap containersLabels
Sticky trapsPlastic bags
ForcepsField notebook
Magnifying glassPencil
Protective gloves
Long-sleeved shirt and closed shoes
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Insect sweep net1 Pc per Candidate
2Pitfall trap containers (plastic cups 10cm diameter)5 Pcs per Candidate
3Sticky traps (10cm x 15cm)3 Pcs per Candidate
4Forceps1 Pc per Candidate
5Collection jars with 70% ethanol preservative2 Jars per Candidate
6Labels5 Pcs per Candidate
7Field notebook1 Pc per Candidate
8Pencil1 Pc per Candidate
9Protective gloves1 Pair per Candidate
10Long-sleeved shirt and closed shoes1 Set per Candidate
11Magnifying glass1 Pc per Candidate
12Plastic bags (for temporary specimen storage)3 Pcs per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Preparation and PPE
Wore PPE including long-sleeved shirt, closed shoes, and gloves
(Award 1 mark each for PPE worn correctly or 0)
2
Assembled all required tools and materials before fieldwork
(Award 1 mark or 0)
1
Sub-Total3
TASK 2: Setting and Deploying Traps
Selected appropriate locations within the 100m x 50m field area for pitfall traps
(Award 1 mark or 0)
1
Set up at least 5 pitfall traps correctly by burying containers flush with soil surface
(Award 0.4 mark per correctly set trap or 0)
2
Placed 3 sticky traps in shaded and sunny spots within the field
(Award 1 mark or 0)
1
Used sweep net properly by sweeping low vegetation systematically
(Award 2 marks or 0)
2
Sub-Total6
TASK 3: Collection and Preservation
Collected at least 15 arthropod specimens using nets and traps
(Award 2 marks or 0)
2
Used forceps to transfer specimens gently into collection jars with 70% ethanol
(Award 2 marks or 0)
2
Labeled jars with date, location, and specimen type accurately
(Award 2 marks or 0)
2
Recorded collection details accurately in field notebook
(Award 2 marks or 0)
2
Sub-Total8
TASK 4: Clean Up and Safety
Removed traps and nets carefully without damaging specimens
(Award 1 mark or 0)
1
Disposed of temporary plastic bags and waste appropriately
(Award 1 mark or 0)
1
Cleaned and stored tools properly after use
(Award 1 mark or 0)
1
Sub-Total3
PRODUCT CHECKLIST
Collected specimens preserved in jars correctly labeled with date, location, and type
(Award 4 marks or 0)
4
At least 15 different arthropod specimens collected using nets and traps
(Award 4 marks or 0)
4
Field notebook contains accurate and complete collection records
(Award 3 marks or 0)
3
Sub-Total11
GRAND TOTAL31
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)

Practical 2: Preparation and Use of Killing Jars and Pouters for Insect Specimen Collection

Science Laboratory Technology · Level 6
Biological Techniques
PRACTICAL ASSESSMENT
TIME: 4 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Prepare a killing jar charged with ethyl acetate and use it along with a pouter to humanely collect at least five insect specimens, placing them in labeled glass vials 50 ml each.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
Killing jar with lid and plaster baseEthyl acetate or chloroform chemical for killing jar
Pouter (Insect aspirator) with rubber tubing and mouthpieceGlass specimen vials with cork stoppers (50 ml each)
Collection net (handheld butterfly net, 30 cm diameter)Protective gloves
Forceps (fine tip, stainless steel)Lab coat
Notebook and pencilFace mask
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Killing jar with lid and plaster base1 Pc per Candidate
2Pouter (Insect aspirator) with rubber tubing and mouthpiece1 Pc per Candidate
3Ethyl acetate or chloroform chemical for killing jar20 ml per Candidate
4Collection net (handheld butterfly net, 30 cm diameter)1 Pc per Candidate
5Forceps (fine tip, stainless steel)1 Pc per Candidate
6Glass specimen vials with cork stoppers (50 ml)3 Pcs per Candidate
7Notebook and pencil for field notes1 set per Candidate
8Protective gloves (latex or nitrile)1 Pair per Candidate
9Lab coat1 Pc per Candidate
10Closed shoes1 Pair per Candidate
11Face mask1 Pc per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Preparation of Killing Jar
Wore PPE including lab coat, gloves, face mask, and closed shoes
(Award 1 mark for each PPE worn correctly)
2
Charged the killing jar with appropriate amount (approx. 15-20 ml) of ethyl acetate or chloroform
(Award 2 marks for correct chemical amount and safe handling)
2
Secured the plaster base inside the jar to absorb the chemical
(Award 1 mark for correct plaster base placement)
1
Closed the jar lid tightly after charging to prevent evaporation
(Award 1 mark for secure lid closure)
1
Sub-Total6
TASK 2: Use of Pouter and Collection of Specimens
Used the collection net to capture live insect specimens
(Award 2 marks for proper net handling and capture technique)
2
Used the pouter by gently sucking to transfer insects into the killing jar without harm
(Award 3 marks for correct pouter use and humane handling)
3
Waited appropriate time for specimens to be humanely killed inside the killing jar
(Award 1 mark for patience and humane practice)
1
Used forceps to carefully remove specimens from the killing jar
(Award 2 marks for careful specimen handling with forceps)
2
Placed at least five insect specimens into separate labeled glass vials
(Award 3 marks for correct placement and labeling of specimens)
3
Sub-Total11
TASK 3: Recording and Clean-up
Recorded specimen details correctly in the notebook (date, location, insect type if known)
(Award 2 marks for accurate and complete notes)
2
Disposed of or stored chemicals safely as per institutional guidelines
(Award 1 mark for safe chemical handling and disposal)
1
Cleaned and stored tools and equipment properly after use
(Award 2 marks for proper cleaning and storage)
2
Removed PPE correctly and washed hands after the procedure
(Award 1 mark for correct PPE removal and hygiene)
1
Sub-Total6
PRODUCT CHECKLIST
Killing jar correctly prepared with chemical and plaster base
(Award 2 marks for correct chemical level and plaster placement)
2
At least five insect specimens humanely collected and placed in separate labeled vials
(Award 5 marks for number, humane collection, and correct labeling)
5
Field notes accurately recorded with relevant specimen information
(Award 3 marks for complete and legible notes)
3
Sub-Total10
GRAND TOTAL33
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)
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🔒Collecting Mammal Specimens Using Traps and TongsPractical 3
🔒Collect reptile specimens using collection bags and forcepsPractical 4
🔒Collect bird specimens using mist nets and prepare for transportPractical 5
🔒Collect and press plant specimens using field stationeries for museum preservationPractical 6
🔒Collect fish specimens using nets and traps for museum preservationPractical 7
🔒Collect Annelid Specimens Using Collection Bags and ForcepsPractical 8
🔒Identification and Classification of Museum Specimen TypesPractical 9
🔒Preservation of animal specimens using chemical methods in museum jarsPractical 10
🔒Preserve a plant specimen by pressing and drying 300mm x 200mmPractical 11
🔒Labelling and Attaching Accurate Labels to Museum Animal SpecimensPractical 12
🔒Storing Preserved Animal Specimens in Museum Jars and ContainersPractical 13
🔒Display and Label Museum Animal Specimens for Educational ExhibitionPractical 14
🔒Preparation and Organization of Field Stationeries for Specimen CollectionPractical 15
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Am I competent?

At the start of this chapter we promised you would be able to:

  • assemble museum apparatus and equipment correctly for the task.
  • collect museum specimens following the required procedures.
  • preserve museum specimens properly according to the required standards.
  • label museum specimens accurately following the museum handbook.
  • display museum specimens correctly according to the museum handbook.
  • store museum specimens safely following the museum handbook.

Tick each one you can genuinely do.

So, are you there yet?

You're competent when you can confidently do 50% or more of what this chapter promised.

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