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Content of wolf scats from the Western Carpathians, Poland

Version 1.0

Mysłajek, Robert; Nowak, Sabina, 2026, "Content of wolf scats from the Western Carpathians, Poland", https://doi.org/10.58132/AMJ7MR, Dane Badawcze UW, V1

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Description

Content

| File | Rows | Description |

|---|---|---|

| `scats.csv` | 1,516 | one row per wolf scat |

| `scat_contents.csv` | 2,200 | one row per scat × food item: dry mass of remains |

| `food_items.csv` | 31 | food items: names, food group and parameters of the biomass models |

| `carpathian_literature.csv` | 12 | published Carpathian wolf diet estimates used in the comparison (Table S2 in ESM1) |

UTF-8, comma-separated, header row. Missing values are empty cells. Logical fields are `TRUE`/`FALSE`.


Study areas (`study_area`)

| Code | Name | Years | Scats |

|---|---|---|---|

| BS | Silesian Beskid | 1997–2008 | 801 |

| BZ | Żywiec Beskid (excluding Babia Góra NP) | 1998–2008 | 414 |

| BM | Beskid Mały | 2006–2013 | 104 |

| TA | Tatra National Park | 2006–2008, 2017 | 142 |

| BG | Babia Góra National Park | 2022–2023 | 55 |


## `scats.csv`


| Column | Description |

|---|---|

| `scat_id` | scat identifier (WCP0001–WCP1516), key to `scat_contents.csv` |

| `study_area` | area code (see above) |

| `pack` | wolf pack (territory) to which the scat was assigned |

| `year`, `month` | year and month of collection |

| `biological_year` | April–March year (e.g. 2004 = April 2004–March 2005) |

| `season` | `spring-summer` (April–September) or `autumn-winter` (October–March) |

| `period` | period used in the analyses |

| `sampling_cluster` | scats collected in the same pack territory on the same day; resampling unit in the cluster bootstrap and random effect in GLMMs (Tatra scats are single-scat clusters) |

| `published_nowak_2005` | TRUE for the 390 scats (BS and BZ, 1997–2001) previously analysed in Nowak et al. (2005) |


## `scat_contents.csv`


| Column | Description |

|---|---|

| `scat_id` | key to `scats.csv` |

| `food_item` | food item code (see `food_items.csv`) |

| `dry_mass_g` | dry mass (g) of remains of the item in the scat; empty if only traces were found |

| `trace` | TRUE if the item was present only in trace amounts |


## `food_items.csv`


| Column | Description |

|---|---|

| `food_item` | code used in `scat_contents.csv` |

| `english_name`, `scientific_name` | names |

| `food_group` | food group |

| `vertebrate_prey` | TRUE for items used in biomass estimation |

| `body_mass_kg` | mean live body mass used in the biomass models |

| `body_mass_juvenile_weighted_kg` | juvenile-weighted body mass (sensitivity analysis) |

| `digestibility_coefficient` | coefficient converting dry mass of remains to mass of food consumed |


## `carpathian_literature.csv`


Values taken from the published studies (`study`, `citation`; full references in the article): location (`country`, `region`, approximate centre `lat`/`lon`, WGS84), `period`, sample size (`n_samples`, `sample_type`), measure (`metric`, `biomass_method`) and percentages of food items and groups.


(2026-10-30)
Subject
Medicine, Health and Life Sciences
Keyword

Canis lupus, wild ungulates, foraging ecology, large carnivore conservation

CC BY - Creative Commons Attribution 4.0 CC BY - Creative Commons Attribution 4.0

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1 to 4 of 4 Files
carpathian_literature.tab
Tabular Data - Original format: Comma Separated Values - 6.7 KB - Oct 30, 2026 - 0 Downloads
License: CC BY - Creative Commons Attribution 4.0
34 Variables, 12 Observations - UNF:6:+jl59lheAv1cnYYpTWx5Bw==
Published Carpathian wolf diet estimates used in the comparison
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food_items.tab
Tabular Data - Original format: Comma Separated Values - 2.1 KB - Oct 30, 2026 - 0 Downloads
License: CC BY - Creative Commons Attribution 4.0
8 Variables, 31 Observations - UNF:6:CLZMMORMiXYCfGXkcSuE9w==
Food items: names, food group, and parameters of the biomass models
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scat_contents.tab
Tabular Data - Original format: Comma Separated Values - 70.6 KB - Oct 30, 2026 - 0 Downloads
License: CC BY - Creative Commons Attribution 4.0
4 Variables, 2200 Observations - UNF:6:NCNJ7xxPkx6dUqGO9xL7iA==
Content of scats
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scats.tab
Tabular Data - Original format: Comma Separated Values - 107.6 KB - Oct 30, 2026 - 0 Downloads
License: CC BY - Creative Commons Attribution 4.0
10 Variables, 1516 Observations - UNF:6:u//rAKboErj8CUocJ/V9hg==
Description of scat samples
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