Fall 2026

Advanced Paleoecology: Species Responses to Past Environmental Change

GEOG 523 examines species and ecosystem responses to environmental changes over the last million years, focusing on climate shifts and extinctions.

offering recorded3 credits
Recorded instructors · Fall 2026 Jack Williams3.9/5

Summary

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Recent recorded grades — Spring 2013: 3.80 GPA, 100.0% A/AB (n=5 letter grades); Fall 2020: 3.77 GPA, 90.9% A/AB (n=11 letter grades); Fall 2022: 3.93 GPA, 100.0% A/AB (n=7 letter grades).

Grade history

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average GPA
letter grades
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AB
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Prerequisites

Course map

Junior standing

  • Junior standing
GEOG 523

This is a best-effort interpretation; check the catalog requirements above.

Prerequisite text tree
  • Junior standing

Professors

Fall 2026
Adjusted rating
RMP difficulty
captured reviews
About this rating

Raw average: 3.95/5 from 59 quality ratings. The adjusted rating blends this with the UW review average (3.66/5), weighted as 20 additional ratings. Smaller samples stay closer to that average. Each captured review is counted once in the prior; this does not correct who chooses to leave a review.

RMP profile ↗ · All captured review dates; profile matched by name.

Recent recorded grades — Spring 2013: 3.80 GPA, 100.0% A/AB (n=5 letter grades); Fall 2020: 3.77 GPA, 90.9% A/AB (n=11 letter grades); Fall 2022: 3.93 GPA, 100.0% A/AB (n=7 letter grades).

Historical instructors & teaching patterns

JACK WILLIAMS is recorded teaching in Spring 2008, Spring 2010, Spring 2013, Fall 2020, Fall 2022. Recorded history may be incomplete and does not establish a future schedule.

Recorded history may be incomplete and does not establish a future schedule.

Calendar & sections

Fall 2026

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SectionModeEnrolled / capacityWaitlist
LEC 001Classroom Instruction9 / 150

Times are Central. Select a meeting for details; export includes recorded dates for the selected sections. Enrollment reflects scan time.

Meeting source records
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Student experience

the class

Recent recorded grades — Spring 2013: 3.80 GPA, 100.0% A/AB (n=5 letter grades); Fall 2020: 3.77 GPA, 90.9% A/AB (n=11 letter grades); Fall 2022: 3.93 GPA, 100.0% A/AB (n=7 letter grades).

difficulty & workload

No workload feedback recorded.

Topics

  • Glacial-interglacial climate and carbon dioxide changes
  • Novel ecosystems and abrupt ecological change
  • Megaherbivore-vegetation interactions

Skills

  • Multivariate data analysis and quantitative paleoecological inference

Grades

Latest available · Fall 2022— not enough history to project Fall 2026.

average GPA
A / AB grades
letter grades
Instructor

Grade distribution · % of letter grades

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AB
B
BC
C
D
F

Grades over time

Through Fall 2022

More grade details Grade mix, volume & source data

Not enough comparable courses for Fall 2026 in UW–Madison.

Sources & history

UW–Madison

Catalog & offerings

Descriptions, prerequisites, and recorded course offerings.

Catalog observation history

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Selected offering source records
GEOG 523 · Fall 2026

Advanced Paleoecology: Species Responses to Past Environmental Change

Recorded 2026-09-07
Raw records 
[
  {
    "run_id": "20260907T155543-ce3781c4",
    "semester": "1272",
    "observed_at": "2026-09-07 15:55:43.033547+00:00",
    "offering_id": "1272:416:022723",
    "course_id": "GEOG 523",
    "course_uid": "course_21b57a5ed3e4ef8ca3a41059",
    "term_id": "1272",
    "source_course_id": "022723",
    "source_subject_id": "416",
    "title": "Advanced Paleoecology: Species Responses to Past Environmental Change",
    "credits_min": 3,
    "credits_max": 3,
    "typically_offered": "Fall, Spring"
  }
]
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Dataset & model

Recorded 2026-09-07

View the dataset on Hugging Face
Model outputs & technical records
nvidia/Qwen3.6-35B-A3B-NVFP4
LLM outputs across runs
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Full model traces

Recorded model configuration, reasoning, and tool conversations.

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Model & dataset provenance 
{
  "model": "nvidia/Qwen3.6-35B-A3B-NVFP4",
  "model_revision": "1355db6a052410cfd62085d94b58866fd0f2c3c5",
  "task_version": "14",
  "output_id": "f18ff63565adcfa70b24ed6a6b906562a396ad88ab0beec87d63e1bef95dbf6b",
  "requirements_status": "valid",
  "dataset_revision": "e243353dcb7d79b7247ced91d69443ef4c2a6349",
  "observed_at": "2026-09-07 15:55:43.033547+00:00"
}