Corresponding author: Axelle Moreau (
Academic editor: Ben Price
The Freshwater Animal Diversity Assessment (FADA) project estimated that freshwater animal species represent 9.5% of the 1.2 million species described. Knowing that freshwater represents only 0.01% of the earth's surface, these wetlands are suitable habitats for a great part of the world's total biodiversity. However, it has been shown that there is a lack of knowledge on these species, including freshwater invertebrates. Nevertheless, they play a key role in the majority of freshwater ecosystems and in their foodweb networks. Freshwater invertebrates are the food resource of many species, such as fish and birds. The knowledge of their morphological, energetic and nutritive characteristics allows a better understanding of their selection by predators (size, energy intake etc.), but also leads to the improvement of wetland management. Although information about freshwater invertebrates exists in literature, they are generally heterogeneous, dispersed and difficult to collect. To facilitate the accessibility of these data and, thus, optimise and accelerate research projects including freshwater invertebrates, we propose a literature review describing 14 morphological and nutritive characteristics (size, dry weight, gross energy, crude protein etc.) for 656 taxa of freshwater invertebrates.
This dataset is a review from 104 publications from 1935 to 2020, compiling 14 characteristics when available (size, dry weight, gross energy, crude protein etc.) for 656 taxa of freshwater invertebrates.
In twenty years, the estimated world’s total number of species has increased from 3 to 30 million (
Wetlands are amongst the most impacted environments by climate change (
Invertebrates are very sensitive to environmental variations, included climate change (
Studies in literature were more specifically focused on knowledge of the orders and families, in particular, according to their stages of development (larvae, nymphs, adults) and their sizes, but it appears as still incomplete and insufficient (
Thus, the available information in literature is generally uncommon (
In order to facilitate the accessibility of these data and, thus, promote research projects on the importance of freshwater invertebrates in wetland ecosystems, we propose a literature review of the main biological characteristics of all freshwater invertebretates available in literature up to 2020.
This literature review concerns the worldwide freshwater wetlands (lakes, rivers, marshes, temporary and permanent ponds etc.).
This dataset describes 656 taxa of freshwater invertebrates (Table
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The oldest publication was published in 1935 and the most recent in 2020.
Creative Commons Public Domain Waiver (CC-Zero)
Freshwater invertebrates characteristics data
1
Freshwater invertebrates characteristics data
.txt
This dataset describes 14 characteristics (size, dry weight, gross energy, crude protein etc.) for 656 taxa of freshwater invertebrates (Suppl. material
Column label | Column description |
---|---|
ID | Unique number corresponding to a described taxa |
Phylum | Identification of taxa (Phylum) |
Subphylum | Identification of taxa (Subphylum) |
Class | Identification of taxa (Class) |
Subclass | Identification of taxa (Subclass) |
Order | Identification of taxa (Order) |
Suborder | Identification of taxa (Suborder) |
Family | Identification of taxa (Familly) |
Genus | Identification of taxa (Genus) |
Species | Identification of taxa (Genus + Species) |
Taxa | Identification of taxa (Taxa) |
LifeStage | The life stage of the taxa, i.e. "Larvae", "Larvae I", "Larvae II", "Larvae III", "Larvae IV", "Larvae V", "Larvae VI", "Nymph", "Pupae" or "Adult". |
TL (value) | Total length in millimetres |
HW/SW (value) | Head width / Shell width in millimetres |
BL/SL (value) | Body length / Shell length in millimetres |
WW (value) | Wet weight in milligrams |
DW (value) | Dry weight in milligrams |
GE-WW (value) | Gross energy in cal/g of wet weight |
GE-DW (value) | Gross energy in cal/g of dry weight |
GE-AFDW (value) | Gross energy in cal/g of ash free dry weight |
Protein (value) | Crude protein in % of aggregate dry weight |
Lipid (value) | Crude lipid in % of aggregate dry weight |
Fibre (value) | Crude fibre in % of aggregate dry weight |
NFE (value) | Nitrogen Free Extract in % of aggregate dry weight |
Ash (value) | Ash in % of aggregate dry weight |
Water (value) | Water in % of aggregate dry weight |
Scientific literature shows that abundance of food resource is one of the first things that the animal ecologists measure when they want to understand the species they are studying, whether it is individual behaviour, reproduction or even population dynamics (
The abundance, biomass and nutritional value of freshwater invertebrates are, therefore, essential in the study of predatory of freshwater invertebrates (
However, it is important to note that there is variation in calorific values due to the collection season, the diet of the organisms and the sex of the individuals (
Number of described taxa.
|
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- |
|
2 | 2 | 3 | 10 | 14 | 14 |
- | - |
|
1 | 1 | 1 | 1 | 0 | - |
|
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1 | 2 | 1 | 1 | 2 | 1 | - |
- |
|
4 | 4 | 12 | 10 | 44 | 66 | 98 |
- |
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2 | 1 | 13 | 15 | 98 | 325 | 209 |
|
- |
|
2 | 2 | - | 5 | 6 | 7 |
- | - |
|
3 | 6 | 1 | 14 | 17 | 21 |
|
- | 1 | 1 | 1 | 1 | 3 | 5 | 5 |
Freshwater invertebrates characteristics data
Morphological, calorific and nutritive
File: oo_582217.txt
Reference code
References
File: oo_551812.txt