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Northern New Zealand Rhodolith Bed Ecology Data
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About
Ecological data concerning subtidal rhodolith beds in Northern New Zealand is presented in this file, representing the first investigation of its kind in the region. The study characterises two specific rhodolith species, Lithothamnion crispatum and Sporolithon durum, and examines the physical structure of beds at two distinct locations: Kahuwhera Bay and Te Miko Reef in the Bay of Islands. The data captures environmental variables such as water motion, sediment characteristics, and light levels, contrasting the typical rhodolith assemblage at Te Miko Reef with the atypical, sediment-heavy conditions at Kahuwhera Bay. Additionally, the file documents associated biodiversity found within these habitats.
Columns
The dataset contains 40 columns in total. The following fields are present in the provided sample:
- modified: The date the record was last modified or processed (e.g., 2015-06-19).
- id: A unique numeric identifier for the record.
- language: The language code for the data entry (consistently 'en' for English).
- license: The URL reference for the data usage license (Creative Commons).
- rightsHolder: The agency holding the rights to the data (Ministry for Primary Industries).
- institutionCode: The code for the research institution providing the data (NIWA).
- collectionCode: The specific collection name (Rhodolith Beds).
- datasetName: The full title of the study (Rhodolith Beds in Northern New Zealand: Characterisation of Associated Biodiversity).
- basisOfRecord: The nature of the data collection (e.g., HumanObservation).
- occurrenceID: A unique numeric identifier for the specific occurrence/observation.
Distribution
- Format: CSV (Tabular)
- Size: Approximately 598.34 kB
- Structure: 864 rows/records and 40 columns.
- Data Health: The sample columns show 100% validity with no missing or mismatched values.
Usage
- Marine Ecology Research: Analysing the habitat preferences and stress thresholds of rhodolith species.
- Biodiversity Conservation: Informing environmental protection strategies for benthic habitats in Northern New Zealand.
- Environmental Impact Assessment: Establishing baseline data for water clarity, sediment, and current flow in the Bay of Islands.
- Comparative Studies: contrasting 'typical' clear-water rhodolith beds with 'atypical' sediment-impacted beds.
Coverage
- Geographic Scope: Northern New Zealand, specifically the Bay of Islands (Kahuwhera Bay and Te Miko Reef).
- Time Range: Fieldwork conducted in February and September 2010.
- Demographic/Biological Scope: Focuses on Lithothamnion crispatum and Sporolithon durum, alongside associated benthic biodiversity.
License
CC BY-SA 3.0
Who Can Use It
- Marine Biologists
- Oceanographers
- Environmental Scientists
- Government Conservation Agencies (e.g., Department of Conservation)
- Academic Researchers studying benthic ecology
Dataset Name Suggestions
- Northern New Zealand Rhodolith Bed Ecology Data
- Bay of Islands Rhodolith Biodiversity and Habitat Characterisation
- NIWA Subtidal Rhodolith Survey 2010
- Benthic Ecology of Te Miko Reef and Kahuwhera Bay
Attributes
Original Data Source: Northern New Zealand Rhodolith Bed Ecology Data
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