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Project · Micro-geography

Langenbruck / Chilchzimmersattel: micro-geography of lynx corridors in the Jura

This project develops the NATURASCHUTZ.CH concept of micro-geography: a fine-scale, field-based way of reading forest continuity, relief, quiet passages, shelter, and human pressure in order to understand how lynx and other wildlife may use a living territory.

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Introduction

The Langenbruck / Chilchzimmersattel region is not treated here as a simple observation site. It is a reference territory where four years of repeated field monitoring have helped transform landscape perception into a structured method for ecological interpretation.

Concept

What micro-geography means for NATURASCHUTZ.CH

Classical habitat maps are essential, but they often operate at a scale that is too broad to explain how an animal actually moves through a slope, avoids a road, uses a forest edge, crosses a saddle, or disappears into cover. Micro-geography works below that scale.

Working definition. Micro-geography is the fine-scale interpretation of the physical and ecological details that make movement possible or difficult: slope shape, forest continuity, edge geometry, shelter, narrow passages, disturbance rhythms, visibility, and the distance between risk and refuge.

Scientific basis

From habitat suitability to movement hypothesis

Lynx conservation science has shown the importance of forested habitats, prey availability, spatial structure, and connectivity. The Jura has also been studied through distribution models and long-term monitoring. The contribution of NATURASCHUTZ.CH is complementary: it translates these broad ecological principles into a local, repeatable field-reading method.

Four analytical pillars

The focus of NATURASCHUTZ.CH in the Langenbruck region

Forest continuity

Lynx ecology depends on connected forest structures and quiet movement possibilities. The project evaluates whether forest blocks still function as a continuous living network rather than isolated fragments.

Micro-geography

Fine-scale passages, relief, shelter and disturbance can matter as much as broad habitat maps. The approach identifies where a corridor becomes concrete on the ground.

Monitoring

Tracks, camera traps, observation, repeated visits, and territorial interpretation support cautious analysis. The aim is not to claim presence too quickly, but to organise evidence.

Conservation meaning

Protecting lynx corridors also protects broader ecological continuity. The same passages may support roe deer, chamois, foxes, martens, badgers, wildcats, birds and many smaller species.

Reference territory

Why Langenbruck / Chilchzimmersattel is a useful field laboratory

The region combines forested slopes, saddles, agricultural edges, quiet pockets, roads, villages, and repeated recreational use. This makes it ideal for studying the tension between ecological permeability and human pressure.

Spatial caution. Exact monitoring positions, camera-trap locations and sensitive movement points are not published. Public communication should protect the biological value of the site rather than turn it into an access guide.

Method

A non-invasive and hypothesis-driven field protocol

1

Read the landscape. Identify slopes, saddles, forest edges, bottlenecks, quiet pockets and probable routes.

2

Formulate hypotheses. Transform each passage into a testable question: is this a route, a refuge, a barrier or a seasonal interface?

3

Monitor discreetly. Use observation, tracks, camera traps and repeated visits without baiting, disturbance or public exposure of sensitive points.

4

Interpret cautiously. Separate landscape potential, indirect signs, confirmed records and long-term ecological meaning.

Evidence hierarchy

Micro-geography produces hypotheses, not unsupported certainty

Table 1. Evidence levels used by NATURASCHUTZ.CH for cautious lynx-oriented territorial interpretation.
Level Type of information Scientific interpretation
1 Landscape structure: forest continuity, relief, passages, disturbance Potential corridor or refuge hypothesis
2 Indirect signs: tracks, scats, prey remains, repeated paths Compatibility with wildlife movement; species identification remains cautious
3 Camera-trap records or repeated visual evidence Stronger evidence of presence, depending on image quality and location
4 Genetic evidence or official verified monitoring data Species-level confirmation and integration into wider monitoring frameworks

Four-year project logic

From repeated observation to an innovative territorial tool

Phase 1

Initial territorial familiarisation: repeated walks, recognition of forest blocks, slopes, saddles, disturbance sources and probable wildlife routes.

Phase 2

Micro-corridor identification: selection of narrow passages, edges and low-disturbance zones where movement hypotheses can be tested.

Phase 3

Non-invasive monitoring: camera traps, track reading, seasonal revisits and comparison between expected and observed use of space.

Phase 4

Conservation translation: use the field results to support corridor awareness, scientific articles, local dialogue and future NaturaSchutz.ch mapping tools.

Conservation value

A small territory can reveal a large ecological question

The central conservation question is not only whether lynx are present at a given moment. It is whether the territory remains readable, permeable and quiet enough to allow large forest wildlife to circulate, hunt, avoid humans and maintain ecological function over time.

Protect passages

Micro-corridors deserve attention even when they are too small to appear clearly in regional planning documents.

Reduce disturbance

Quiet zones are not empty spaces; they are functional ecological infrastructure for discreet wildlife.

Connect scales

Micro-geography connects field observation with broader connectivity science and landscape planning.

Share responsibly

Scientific communication must inform and protect at the same time, especially when dealing with sensitive species and local corridors.

Scientific caution

Micro-geography is a tool for interpretation, not a shortcut to proof

The method helps identify where lynx movement would be ecologically plausible and where monitoring should be focused. It does not replace official monitoring, genetic evidence, validated camera-trap records or expert confirmation. Its strength is to make hidden spatial logic visible and testable.

NATURASCHUTZ.CH project

From Langenbruck to a broader conservation method

The project will continue to develop through field notes, scientific articles, mapping tools, camera-trap protocols and dialogue with conservation partners. The long-term ambition is to make micro-geography a practical tool for identifying and protecting discreet ecological continuity.

Open the lynx page View related articles

Scientific anchors

Selected references for lynx ecology, monitoring and Jura connectivity

  1. KORA. Eurasian lynx profile. kora.ch
  2. KORA. Lynx distribution in Switzerland: Jura and Alpine populations. kora.ch
  3. KORA. Camera-trap monitoring of lynx. kora.ch
  4. Zimmermann, F., & Breitenmoser, U. (2002). A distribution model for the Eurasian lynx (Lynx lynx) in the Jura Mountains, Switzerland.
  5. Zimmermann, F. (2007). Potential distribution and population size of the Eurasian lynx (Lynx lynx) in the Jura Mountains and possible corridors to adjacent ranges. Wildlife Biology, 13(4), 406–416.
  6. Breitenmoser-Würsten, C., et al. (2007). Demography of lynx Lynx lynx in the Jura Mountains. Wildlife Biology, 13(4), 381–392.
  7. Molinari-Jobin, A., et al. (2012). Monitoring in the presence of species misidentification: the case of the Eurasian lynx in the Alps. Animal Conservation, 15, 266–273.

Contact

For dialogue around lynx, micro-geography and ecological continuity

NATURASCHUTZ.CH welcomes serious exchanges related to wildlife corridors, forest continuity, non-invasive monitoring and the protection of sensitive Jura landscapes.

Get in touch