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@netzschleuder@social.skewed.de
2025-09-05 16:00:04

fresh_webs: Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group.
This network has 49 nodes and 110 edges.
Tags: Biological, Food web, Unweighted, Metadata

fresh_webs: Freshwater stream webs. 49 nodes, 110 edges. https://networks.skewed.de/net/fresh_webs#Catlins

fresh_webs — Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group

@netzschleuder@social.skewed.de
2025-08-02 13:00:04

fresh_webs: Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group.
This network has 83 nodes and 335 edges.
Tags: Biological, Food web, Unweighted, Metadata

fresh_webs: Freshwater stream webs. 83 nodes, 335 edges. https://networks.skewed.de/net/fresh_webs#SuttonAu

fresh_webs — Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group

@netzschleuder@social.skewed.de
2025-07-02 08:00:04

plant_pol_vazquez: Vazquez & Simberloff plant-pollinator webs
Eight bipartite networks of plants and pollinators, from the Nahuel Huapi National Park and surrounding areas in Rio Negro, Argentina, from September 1999 to Feburary 2000. Edge weights represent the frequency of species interaction, and there is a common set of vertices across all eight webs.
This network has 144 nodes and 47 edges.
Tags: Biological, Food web, Weighted, Multilayer

plant_pol_vazquez: Vazquez & Simberloff plant-pollinator webs. 144 nodes, 47 edges. https://networks.skewed.de/net/plant_pol_vazquez#Quetrihue%20(c)

plant_pol_vazquez — Vazquez & Simberloff plant-pollinator webs
Eight bipartite networks of plants and pollinators, from the Nahuel Huapi National Park and surrounding areas in Rio Negro, Argentina, from September 1999 to Feburary 2000. Edge weights represent the frequency of species interaction, and there is a common set of vertices across all eight webs

@netzschleuder@social.skewed.de
2025-08-26 04:00:03

fresh_webs: Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group.
This network has 69 nodes and 187 edges.
Tags: Biological, Food web, Unweighted, Metadata

fresh_webs: Freshwater stream webs. 69 nodes, 187 edges. https://networks.skewed.de/net/fresh_webs#Venlaw

fresh_webs — Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group

@newstik@social.heise.de
2025-06-19 04:43:54

This is bad: #Mercury has reached #toxic levels in the #Arctic

Stable isotopes unveil ocean transport of legacy mercury into Arctic food webs - Nature Communications
Mercury pollution in the Arctic has reached toxic levels. Here, the authors compile mercury isotope data from peat and aquatic predator species collected across Greenland over the past 40 years, observing both regional differences and temporal trends.

@netzschleuder@social.skewed.de
2025-06-20 18:00:04

fresh_webs: Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group.
This network has 71 nodes and 148 edges.
Tags: Biological, Food web, Unweighted, Metadata

fresh_webs: Freshwater stream webs. 71 nodes, 148 edges. https://networks.skewed.de/net/fresh_webs#Coweeta17

fresh_webs — Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group

@arXiv_physicssocph_bot@mastoxiv.page
2025-06-16 09:29:49

Symmetries of weighted networks: weight approximation method and its application to food webs
Julia Korol, Mateusz Iskrzy\'nski
arxiv.org/abs/2506.11824

Symmetries of weighted networks: weight approximation method and its application to food webs
Knowing which parts of a complex system have identical roles simplifies computations and reveals patterns in its network structure. Group theory has been applied to study symmetries in unweighted networks. However, in real-world weighted networks, edge weights are rarely equal, making exact symmetry uncommon. To study symmetries in weighted networks, we aggregate edge weights into a small number of discrete categories. The symmetries of these aggregated networks identify vertices with similar r…

@netzschleuder@social.skewed.de
2025-08-26 00:00:03

plant_pol_vazquez: Vazquez & Simberloff plant-pollinator webs
Eight bipartite networks of plants and pollinators, from the Nahuel Huapi National Park and surrounding areas in Rio Negro, Argentina, from September 1999 to Feburary 2000. Edge weights represent the frequency of species interaction, and there is a common set of vertices across all eight webs.
This network has 144 nodes and 51 edges.
Tags: Biological, Food web, Weighted, Multilayer

plant_pol_vazquez: Vazquez & Simberloff plant-pollinator webs. 144 nodes, 51 edges. https://networks.skewed.de/net/plant_pol_vazquez#Mascardi%20(nc)

plant_pol_vazquez — Vazquez & Simberloff plant-pollinator webs
Eight bipartite networks of plants and pollinators, from the Nahuel Huapi National Park and surrounding areas in Rio Negro, Argentina, from September 1999 to Feburary 2000. Edge weights represent the frequency of species interaction, and there is a common set of vertices across all eight webs

@netzschleuder@social.skewed.de
2025-07-14 13:00:04

fresh_webs: Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group.
This network has 110 nodes and 718 edges.
Tags: Biological, Food web, Unweighted, Metadata

fresh_webs: Freshwater stream webs. 110 nodes, 718 edges. https://networks.skewed.de/net/fresh_webs#Canton

fresh_webs — Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group

@netzschleuder@social.skewed.de
2025-06-13 11:00:04

fresh_webs: Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group.
This network has 71 nodes and 155 edges.
Tags: Biological, Food web, Unweighted, Metadata

fresh_webs: Freshwater stream webs. 71 nodes, 155 edges. https://networks.skewed.de/net/fresh_webs#Narrowdale

fresh_webs — Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group

@netzschleuder@social.skewed.de
2025-06-13 08:00:03

fresh_webs: Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group.
This network has 105 nodes and 343 edges.
Tags: Biological, Food web, Unweighted, Metadata

fresh_webs: Freshwater stream webs. 105 nodes, 343 edges. https://networks.skewed.de/net/fresh_webs#Martins

fresh_webs — Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group

@arXiv_qbioQM_bot@mastoxiv.page
2025-07-08 20:40:09

Replaced article(s) found for q-bio.QM. arxiv.org/list/q-bio.QM/new
[1/1]:
- Species Vulnerability and Ecosystem Fragility: A Dual Perspective in Food Webs
Emanuele Cal\`o, Giordano De Marzo, Vito D. P. Servedio

@netzschleuder@social.skewed.de
2025-08-09 21:00:04

plant_pol_vazquez: Vazquez & Simberloff plant-pollinator webs
Eight bipartite networks of plants and pollinators, from the Nahuel Huapi National Park and surrounding areas in Rio Negro, Argentina, from September 1999 to Feburary 2000. Edge weights represent the frequency of species interaction, and there is a common set of vertices across all eight webs.
This network has 144 nodes and 31 edges.
Tags: Biological, Food web, Weighted, Multilayer

plant_pol_vazquez: Vazquez & Simberloff plant-pollinator webs. 144 nodes, 31 edges. https://networks.skewed.de/net/plant_pol_vazquez#Quetrihue%20(nc)

plant_pol_vazquez — Vazquez & Simberloff plant-pollinator webs
Eight bipartite networks of plants and pollinators, from the Nahuel Huapi National Park and surrounding areas in Rio Negro, Argentina, from September 1999 to Feburary 2000. Edge weights represent the frequency of species interaction, and there is a common set of vertices across all eight webs